> ## Documentation Index
> Fetch the complete documentation index at: https://leetcode-py.wisl.dev/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> leetcode-py is a Python LeetCode practice environment generator with one CLI: lcpy. It is not a service or platform.
> Each problem is a directory under leetcode/ with README.md, solution.py, test_solution.py, helpers.py, and playground.ipynb. lcpy gen creates them from JSON templates bundled with the package.
> Examples are backed by tests; copy them verbatim.

# Easy LeetCode Problems in Python with Tests

> All 309 Easy LeetCode problems with tested Python solutions. Part 1 of 2: problems 1-200.

Easy holds 309 problems.

| # | Problem | Difficulty | Solution |
| - | - | - | - |
| 1 | [Two Sum](https://leetcode-py.wisl.dev/problems/two-sum) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/two_sum/solution.py) |
| 9 | [Palindrome Number](https://leetcode-py.wisl.dev/problems/palindrome-number) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/palindrome_number/solution.py) |
| 13 | [Roman to Integer](https://leetcode-py.wisl.dev/problems/roman-to-integer) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/roman_to_integer/solution.py) |
| 14 | [Longest Common Prefix](https://leetcode-py.wisl.dev/problems/longest-common-prefix) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/longest_common_prefix/solution.py) |
| 20 | [Valid Parentheses](https://leetcode-py.wisl.dev/problems/valid-parentheses) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/valid_parentheses/solution.py) |
| 21 | [Merge Two Sorted Lists](https://leetcode-py.wisl.dev/problems/merge-two-sorted-lists) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/merge_two_sorted_lists/solution.py) |
| 26 | [Remove Duplicates From Sorted Array](https://leetcode-py.wisl.dev/problems/remove-duplicates-from-sorted-array) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/remove_duplicates_from_sorted_array/solution.py) |
| 27 | [Remove Element](https://leetcode-py.wisl.dev/problems/remove-element) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/remove_element/solution.py) |
| 28 | [Find the Index of the First Occurrence in a String](https://leetcode-py.wisl.dev/problems/find-the-index-of-the-first-occurrence-in-a-string) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/find_the_index_of_the_first_occurrence_in_a_string/solution.py) |
| 35 | [Search Insert Position](https://leetcode-py.wisl.dev/problems/search-insert-position) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/search_insert_position/solution.py) |
| 58 | [Length of Last Word](https://leetcode-py.wisl.dev/problems/length-of-last-word) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/length_of_last_word/solution.py) |
| 66 | [Plus One](https://leetcode-py.wisl.dev/problems/plus-one) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/plus_one/solution.py) |
| 67 | [Add Binary](https://leetcode-py.wisl.dev/problems/add-binary) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/add_binary/solution.py) |
| 69 | [Sqrt(x)](https://leetcode-py.wisl.dev/problems/sqrtx) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/sqrtx/solution.py) |
| 70 | [Climbing Stairs](https://leetcode-py.wisl.dev/problems/climbing-stairs) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/climbing_stairs/solution.py) |
| 83 | [Remove Duplicates from Sorted List](https://leetcode-py.wisl.dev/problems/remove-duplicates-from-sorted-list) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/remove_duplicates_from_sorted_list/solution.py) |
| 88 | [Merge Sorted Array](https://leetcode-py.wisl.dev/problems/merge-sorted-array) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/merge_sorted_array/solution.py) |
| 94 | [Binary Tree Inorder Traversal](https://leetcode-py.wisl.dev/problems/binary-tree-inorder-traversal) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/binary_tree_inorder_traversal/solution.py) |
| 100 | [Same Tree](https://leetcode-py.wisl.dev/problems/same-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/same_tree/solution.py) |
| 101 | [Symmetric Tree](https://leetcode-py.wisl.dev/problems/symmetric-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/symmetric_tree/solution.py) |
| 104 | [Maximum Depth of Binary Tree](https://leetcode-py.wisl.dev/problems/maximum-depth-of-binary-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/maximum_depth_of_binary_tree/solution.py) |
| 108 | [Convert Sorted Array to Binary Search Tree](https://leetcode-py.wisl.dev/problems/convert-sorted-array-to-binary-search-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/convert_sorted_array_to_binary_search_tree/solution.py) |
| 110 | [Balanced Binary Tree](https://leetcode-py.wisl.dev/problems/balanced-binary-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/balanced_binary_tree/solution.py) |
| 111 | [Minimum Depth of Binary Tree](https://leetcode-py.wisl.dev/problems/minimum-depth-of-binary-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/minimum_depth_of_binary_tree/solution.py) |
| 112 | [Path Sum](https://leetcode-py.wisl.dev/problems/path-sum) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/path_sum/solution.py) |
| 118 | [Pascal's Triangle](https://leetcode-py.wisl.dev/problems/pascals-triangle) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/pascals_triangle/solution.py) |
| 119 | [Pascal's Triangle II](https://leetcode-py.wisl.dev/problems/pascals-triangle-ii) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/pascals_triangle_ii/solution.py) |
| 121 | [Best Time to Buy and Sell Stock](https://leetcode-py.wisl.dev/problems/best-time-to-buy-and-sell-stock) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/best_time_to_buy_and_sell_stock/solution.py) |
| 125 | [Valid Palindrome](https://leetcode-py.wisl.dev/problems/valid-palindrome) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/valid_palindrome/solution.py) |
| 136 | [Single Number](https://leetcode-py.wisl.dev/problems/single-number) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/single_number/solution.py) |
| 141 | [Linked List Cycle](https://leetcode-py.wisl.dev/problems/linked-list-cycle) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/linked_list_cycle/solution.py) |
| 144 | [Binary Tree Preorder Traversal](https://leetcode-py.wisl.dev/problems/binary-tree-preorder-traversal) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/binary_tree_preorder_traversal/solution.py) |
| 145 | [Binary Tree Postorder Traversal](https://leetcode-py.wisl.dev/problems/binary-tree-postorder-traversal) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/binary_tree_postorder_traversal/solution.py) |
| 157 | [Read N Characters Given Read4](https://leetcode-py.wisl.dev/problems/read-n-characters-given-read4) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/read_n_characters_given_read4/solution.py) |
| 160 | [Intersection of Two Linked Lists](https://leetcode-py.wisl.dev/problems/intersection-of-two-linked-lists) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/intersection_of_two_linked_lists/solution.py) |
| 163 | [Missing Ranges](https://leetcode-py.wisl.dev/problems/missing-ranges) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/missing_ranges/solution.py) |
| 168 | [Excel Sheet Column Title](https://leetcode-py.wisl.dev/problems/excel-sheet-column-title) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/excel_sheet_column_title/solution.py) |
| 169 | [Majority Element](https://leetcode-py.wisl.dev/problems/majority-element) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/majority_element/solution.py) |
| 170 | [Two Sum III - Data structure design](https://leetcode-py.wisl.dev/problems/two-sum-iii-data-structure-design) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/two_sum_iii_data_structure_design/solution.py) |
| 171 | [Excel Sheet Column Number](https://leetcode-py.wisl.dev/problems/excel-sheet-column-number) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/excel_sheet_column_number/solution.py) |
| 190 | [Reverse Bits](https://leetcode-py.wisl.dev/problems/reverse-bits) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/reverse_bits/solution.py) |
| 191 | [Number of 1 Bits](https://leetcode-py.wisl.dev/problems/number-of-1-bits) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/number_of_1_bits/solution.py) |
| 202 | [Happy Number](https://leetcode-py.wisl.dev/problems/happy-number) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/happy_number/solution.py) |
| 203 | [Remove Linked List Elements](https://leetcode-py.wisl.dev/problems/remove-linked-list-elements) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/remove_linked_list_elements/solution.py) |
| 205 | [Isomorphic Strings](https://leetcode-py.wisl.dev/problems/isomorphic-strings) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/isomorphic_strings/solution.py) |
| 206 | [Reverse Linked List](https://leetcode-py.wisl.dev/problems/reverse-linked-list) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/reverse_linked_list/solution.py) |
| 217 | [Contains Duplicate](https://leetcode-py.wisl.dev/problems/contains-duplicate) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/contains_duplicate/solution.py) |
| 219 | [Contains Duplicate II](https://leetcode-py.wisl.dev/problems/contains-duplicate-ii) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/contains_duplicate_ii/solution.py) |
| 225 | [Implement Stack using Queues](https://leetcode-py.wisl.dev/problems/implement-stack-using-queues) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/implement_stack_using_queues/solution.py) |
| 226 | [Invert Binary Tree](https://leetcode-py.wisl.dev/problems/invert-binary-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/invert_binary_tree/solution.py) |
| 228 | [Summary Ranges](https://leetcode-py.wisl.dev/problems/summary-ranges) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/summary_ranges/solution.py) |
| 231 | [Power of Two](https://leetcode-py.wisl.dev/problems/power-of-two) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/power_of_two/solution.py) |
| 232 | [Implement Queue using Stacks](https://leetcode-py.wisl.dev/problems/implement-queue-using-stacks) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/implement_queue_using_stacks/solution.py) |
| 234 | [Palindrome Linked List](https://leetcode-py.wisl.dev/problems/palindrome-linked-list) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/palindrome_linked_list/solution.py) |
| 242 | [Valid Anagram](https://leetcode-py.wisl.dev/problems/valid-anagram) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/valid_anagram/solution.py) |
| 243 | [Shortest Word Distance](https://leetcode-py.wisl.dev/problems/shortest-word-distance) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/shortest_word_distance/solution.py) |
| 246 | [Strobogrammatic Number](https://leetcode-py.wisl.dev/problems/strobogrammatic-number) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/strobogrammatic_number/solution.py) |
| 252 | [Meeting Rooms](https://leetcode-py.wisl.dev/problems/meeting-rooms) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/meeting_rooms/solution.py) |
| 257 | [Binary Tree Paths](https://leetcode-py.wisl.dev/problems/binary-tree-paths) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/binary_tree_paths/solution.py) |
| 258 | [Add Digits](https://leetcode-py.wisl.dev/problems/add-digits) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/add_digits/solution.py) |
| 263 | [Ugly Number](https://leetcode-py.wisl.dev/problems/ugly-number) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/ugly_number/solution.py) |
| 266 | [Palindrome Permutation](https://leetcode-py.wisl.dev/problems/palindrome-permutation) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/palindrome_permutation/solution.py) |
| 268 | [Missing Number](https://leetcode-py.wisl.dev/problems/missing-number) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/missing_number/solution.py) |
| 270 | [Closest Binary Search Tree Value](https://leetcode-py.wisl.dev/problems/closest-bst-value) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/closest_bst_value/solution.py) |
| 278 | [First Bad Version](https://leetcode-py.wisl.dev/problems/first-bad-version) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/first_bad_version/solution.py) |
| 283 | [Move Zeroes](https://leetcode-py.wisl.dev/problems/move-zeroes) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/move_zeroes/solution.py) |
| 290 | [Word Pattern](https://leetcode-py.wisl.dev/problems/word-pattern) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/word_pattern/solution.py) |
| 292 | [Nim Game](https://leetcode-py.wisl.dev/problems/nim-game) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/nim_game/solution.py) |
| 293 | [Flip Game](https://leetcode-py.wisl.dev/problems/flip-game) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/flip_game/solution.py) |
| 303 | [Range Sum Query - Immutable](https://leetcode-py.wisl.dev/problems/range-sum-query-immutable) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/range_sum_query_immutable/solution.py) |
| 326 | [Power of Three](https://leetcode-py.wisl.dev/problems/power-of-three) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/power_of_three/solution.py) |
| 338 | [Counting Bits](https://leetcode-py.wisl.dev/problems/counting-bits) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/counting_bits/solution.py) |
| 342 | [Power of Four](https://leetcode-py.wisl.dev/problems/power-of-four) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/power_of_four/solution.py) |
| 344 | [Reverse String](https://leetcode-py.wisl.dev/problems/reverse-string) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/reverse_string/solution.py) |
| 345 | [Reverse Vowels of a String](https://leetcode-py.wisl.dev/problems/reverse-vowels-of-a-string) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/reverse_vowels_of_a_string/solution.py) |
| 346 | [Moving Average from Data Stream](https://leetcode-py.wisl.dev/problems/moving-average-from-data-stream) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/moving_average_from_data_stream/solution.py) |
| 349 | [Intersection of Two Arrays](https://leetcode-py.wisl.dev/problems/intersection-of-two-arrays) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/intersection_of_two_arrays/solution.py) |
| 350 | [Intersection of Two Arrays II](https://leetcode-py.wisl.dev/problems/intersection-of-two-arrays-ii) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/intersection_of_two_arrays_ii/solution.py) |
| 359 | [Logger Rate Limiter](https://leetcode-py.wisl.dev/problems/logger-rate-limiter) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/logger_rate_limiter/solution.py) |
| 367 | [Valid Perfect Square](https://leetcode-py.wisl.dev/problems/valid-perfect-square) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/valid_perfect_square/solution.py) |
| 374 | [Guess Number Higher or Lower](https://leetcode-py.wisl.dev/problems/guess-number-higher-or-lower) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/guess_number_higher_or_lower/solution.py) |
| 383 | [Ransom Note](https://leetcode-py.wisl.dev/problems/ransom-note) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/ransom_note/solution.py) |
| 387 | [First Unique Character in a String](https://leetcode-py.wisl.dev/problems/first-unique-character-in-a-string) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/first_unique_character_in_a_string/solution.py) |
| 389 | [Find the Difference](https://leetcode-py.wisl.dev/problems/find-the-difference) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/find_the_difference/solution.py) |
| 392 | [Is Subsequence](https://leetcode-py.wisl.dev/problems/is-subsequence) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/is_subsequence/solution.py) |
| 401 | [Binary Watch](https://leetcode-py.wisl.dev/problems/binary-watch) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/binary_watch/solution.py) |
| 404 | [Sum of Left Leaves](https://leetcode-py.wisl.dev/problems/sum-of-left-leaves) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/sum_of_left_leaves/solution.py) |
| 405 | [Convert a Number to Hexadecimal](https://leetcode-py.wisl.dev/problems/convert-a-number-to-hexadecimal) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/convert_a_number_to_hexadecimal/solution.py) |
| 408 | [Valid Word Abbreviation](https://leetcode-py.wisl.dev/problems/valid-word-abbreviation) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/valid_word_abbreviation/solution.py) |
| 409 | [Longest Palindrome](https://leetcode-py.wisl.dev/problems/longest-palindrome) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/longest_palindrome/solution.py) |
| 412 | [Fizz Buzz](https://leetcode-py.wisl.dev/problems/fizz-buzz) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/fizz_buzz/solution.py) |
| 414 | [Third Maximum Number](https://leetcode-py.wisl.dev/problems/third-maximum-number) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/third_maximum_number/solution.py) |
| 415 | [Add Strings](https://leetcode-py.wisl.dev/problems/add-strings) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/add_strings/solution.py) |
| 422 | [Valid Word Square](https://leetcode-py.wisl.dev/problems/valid-word-square) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/valid_word_square/solution.py) |
| 434 | [Number of Segments in a String](https://leetcode-py.wisl.dev/problems/number-of-segments-in-a-string) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/number_of_segments_in_a_string/solution.py) |
| 441 | [Arranging Coins](https://leetcode-py.wisl.dev/problems/arranging-coins) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/arranging_coins/solution.py) |
| 448 | [Find All Numbers Disappeared in an Array](https://leetcode-py.wisl.dev/problems/find-all-numbers-disappeared-in-an-array) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/find_all_numbers_disappeared_in_an_array/solution.py) |
| 455 | [Assign Cookies](https://leetcode-py.wisl.dev/problems/assign-cookies) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/assign_cookies/solution.py) |
| 459 | [Repeated Substring Pattern](https://leetcode-py.wisl.dev/problems/repeated-substring-pattern) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/repeated_substring_pattern/solution.py) |
| 461 | [Hamming Distance](https://leetcode-py.wisl.dev/problems/hamming-distance) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/hamming_distance/solution.py) |
| 463 | [Island Perimeter](https://leetcode-py.wisl.dev/problems/island-perimeter) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/island_perimeter/solution.py) |
| 476 | [Number Complement](https://leetcode-py.wisl.dev/problems/number-complement) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/number_complement/solution.py) |
| 482 | [License Key Formatting](https://leetcode-py.wisl.dev/problems/license-key-formatting) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/license_key_formatting/solution.py) |
| 485 | [Max Consecutive Ones](https://leetcode-py.wisl.dev/problems/max-consecutive-ones) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/max_consecutive_ones/solution.py) |
| 492 | [Construct the Rectangle](https://leetcode-py.wisl.dev/problems/construct-the-rectangle) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/construct_the_rectangle/solution.py) |
| 495 | [Teemo Attacking](https://leetcode-py.wisl.dev/problems/teemo-attacking) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/teemo_attacking/solution.py) |
| 496 | [Next Greater Element I](https://leetcode-py.wisl.dev/problems/next-greater-element-i) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/next_greater_element_i/solution.py) |
| 500 | [Keyboard Row](https://leetcode-py.wisl.dev/problems/keyboard-row) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/keyboard_row/solution.py) |
| 501 | [Find Mode in Binary Search Tree](https://leetcode-py.wisl.dev/problems/find-mode-in-binary-search-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/find_mode_in_binary_search_tree/solution.py) |
| 504 | [Base 7](https://leetcode-py.wisl.dev/problems/base-7) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/base_7/solution.py) |
| 506 | [Relative Ranks](https://leetcode-py.wisl.dev/problems/relative-ranks) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/relative_ranks/solution.py) |
| 507 | [Perfect Number](https://leetcode-py.wisl.dev/problems/perfect-number) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/perfect_number/solution.py) |
| 509 | [Fibonacci Number](https://leetcode-py.wisl.dev/problems/fibonacci-number) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/fibonacci_number/solution.py) |
| 520 | [Detect Capital](https://leetcode-py.wisl.dev/problems/detect-capital) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/detect_capital/solution.py) |
| 521 | [Longest Uncommon Subsequence I](https://leetcode-py.wisl.dev/problems/longest-uncommon-subsequence-i) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/longest_uncommon_subsequence_i/solution.py) |
| 530 | [Minimum Absolute Difference in BST](https://leetcode-py.wisl.dev/problems/minimum-absolute-difference-in-bst) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/minimum_absolute_difference_in_bst/solution.py) |
| 541 | [Reverse String II](https://leetcode-py.wisl.dev/problems/reverse-string-ii) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/reverse_string_ii/solution.py) |
| 543 | [Diameter of Binary Tree](https://leetcode-py.wisl.dev/problems/diameter-of-binary-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/diameter_of_binary_tree/solution.py) |
| 551 | [Student Attendance Record I](https://leetcode-py.wisl.dev/problems/student-attendance-record-i) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/student_attendance_record_i/solution.py) |
| 557 | [Reverse Words in a String III](https://leetcode-py.wisl.dev/problems/reverse-words-in-a-string-iii) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/reverse_words_in_a_string_iii/solution.py) |
| 559 | [Maximum Depth of N-ary Tree](https://leetcode-py.wisl.dev/problems/maximum-depth-of-n-ary-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/maximum_depth_of_n_ary_tree/solution.py) |
| 561 | [Array Partition](https://leetcode-py.wisl.dev/problems/array-partition) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/array_partition/solution.py) |
| 563 | [Binary Tree Tilt](https://leetcode-py.wisl.dev/problems/binary-tree-tilt) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/binary_tree_tilt/solution.py) |
| 566 | [Reshape the Matrix](https://leetcode-py.wisl.dev/problems/reshape-the-matrix) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/reshape_the_matrix/solution.py) |
| 572 | [Subtree of Another Tree](https://leetcode-py.wisl.dev/problems/subtree-of-another-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/subtree_of_another_tree/solution.py) |
| 575 | [Distribute Candies](https://leetcode-py.wisl.dev/problems/distribute-candies) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/distribute_candies/solution.py) |
| 589 | [N-ary Tree Preorder Traversal](https://leetcode-py.wisl.dev/problems/n-ary-tree-preorder-traversal) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/n_ary_tree_preorder_traversal/solution.py) |
| 590 | [N-ary Tree Postorder Traversal](https://leetcode-py.wisl.dev/problems/n-ary-tree-postorder-traversal) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/n_ary_tree_postorder_traversal/solution.py) |
| 594 | [Longest Harmonious Subsequence](https://leetcode-py.wisl.dev/problems/longest-harmonious-subsequence) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/longest_harmonious_subsequence/solution.py) |
| 598 | [Range Addition II](https://leetcode-py.wisl.dev/problems/range-addition-ii) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/range_addition_ii/solution.py) |
| 599 | [Minimum Index Sum of Two Lists](https://leetcode-py.wisl.dev/problems/minimum-index-sum-of-two-lists) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/minimum_index_sum_of_two_lists/solution.py) |
| 604 | [Design Compressed String Iterator](https://leetcode-py.wisl.dev/problems/design-compressed-string-iterator) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/design_compressed_string_iterator/solution.py) |
| 605 | [Can Place Flowers](https://leetcode-py.wisl.dev/problems/can-place-flowers) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/can_place_flowers/solution.py) |
| 617 | [Merge Two Binary Trees](https://leetcode-py.wisl.dev/problems/merge-two-binary-trees) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/merge_two_binary_trees/solution.py) |
| 628 | [Maximum Product of Three Numbers](https://leetcode-py.wisl.dev/problems/maximum-product-of-three-numbers) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/maximum_product_of_three_numbers/solution.py) |
| 637 | [Average of Levels in Binary Tree](https://leetcode-py.wisl.dev/problems/average-of-levels-in-binary-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/average_of_levels_in_binary_tree/solution.py) |
| 643 | [Maximum Average Subarray I](https://leetcode-py.wisl.dev/problems/maximum-average-subarray-i) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/maximum_average_subarray_i/solution.py) |
| 645 | [Set Mismatch](https://leetcode-py.wisl.dev/problems/set-mismatch) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/set_mismatch/solution.py) |
| 653 | [Two Sum IV - Input is a BST](https://leetcode-py.wisl.dev/problems/two-sum-iv-input-is-a-bst) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/two_sum_iv_input_is_a_bst/solution.py) |
| 657 | [Robot Return to Origin](https://leetcode-py.wisl.dev/problems/robot-return-to-origin) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/robot_return_to_origin/solution.py) |
| 661 | [Image Smoother](https://leetcode-py.wisl.dev/problems/image-smoother) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/image_smoother/solution.py) |
| 671 | [Second Minimum Node In a Binary Tree](https://leetcode-py.wisl.dev/problems/second-minimum-node-in-a-binary-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/second_minimum_node_in_a_binary_tree/solution.py) |
| 674 | [Longest Continuous Increasing Subsequence](https://leetcode-py.wisl.dev/problems/longest-continuous-increasing-subsequence) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/longest_continuous_increasing_subsequence/solution.py) |
| 680 | [Valid Palindrome II](https://leetcode-py.wisl.dev/problems/valid-palindrome-ii) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/valid_palindrome_ii/solution.py) |
| 682 | [Baseball Game](https://leetcode-py.wisl.dev/problems/baseball-game) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/baseball_game/solution.py) |
| 693 | [Binary Number with Alternating Bits](https://leetcode-py.wisl.dev/problems/binary-number-with-alternating-bits) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/binary_number_with_alternating_bits/solution.py) |
| 696 | [Count Binary Substrings](https://leetcode-py.wisl.dev/problems/count-binary-substrings) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/count_binary_substrings/solution.py) |
| 697 | [Degree of an Array](https://leetcode-py.wisl.dev/problems/degree-of-an-array) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/degree_of_an_array/solution.py) |
| 700 | [Search in a Binary Search Tree](https://leetcode-py.wisl.dev/problems/search-in-a-binary-search-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/search_in_a_binary_search_tree/solution.py) |
| 703 | [Kth Largest Element in a Stream](https://leetcode-py.wisl.dev/problems/kth-largest-element-in-a-stream) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/kth_largest_element_in_a_stream/solution.py) |
| 704 | [Binary Search](https://leetcode-py.wisl.dev/problems/binary-search) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/binary_search/solution.py) |
| 705 | [Design HashSet](https://leetcode-py.wisl.dev/problems/design-hash-set) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/design_hash_set/solution.py) |
| 706 | [Design HashMap](https://leetcode-py.wisl.dev/problems/design-hash-map) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/design_hash_map/solution.py) |
| 709 | [To Lower Case](https://leetcode-py.wisl.dev/problems/to-lower-case) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/to_lower_case/solution.py) |
| 717 | [1-bit and 2-bit Characters](https://leetcode-py.wisl.dev/problems/one-bit-and-two-bit-characters) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/one_bit_and_two_bit_characters/solution.py) |
| 724 | [Find Pivot Index](https://leetcode-py.wisl.dev/problems/find-pivot-index) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/find_pivot_index/solution.py) |
| 728 | [Self Dividing Numbers](https://leetcode-py.wisl.dev/problems/self-dividing-numbers) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/self_dividing_numbers/solution.py) |
| 733 | [Flood Fill](https://leetcode-py.wisl.dev/problems/flood-fill) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/flood_fill/solution.py) |
| 734 | [Sentence Similarity](https://leetcode-py.wisl.dev/problems/sentence-similarity) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/sentence_similarity/solution.py) |
| 744 | [Find Smallest Letter Greater Than Target](https://leetcode-py.wisl.dev/problems/find-smallest-letter-greater-than-target) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/find_smallest_letter_greater_than_target/solution.py) |
| 746 | [Min Cost Climbing Stairs](https://leetcode-py.wisl.dev/problems/min-cost-climbing-stairs) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/min_cost_climbing_stairs/solution.py) |
| 747 | [Largest Number At Least Twice of Others](https://leetcode-py.wisl.dev/problems/largest-number-at-least-twice-of-others) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/largest_number_at_least_twice_of_others/solution.py) |
| 748 | [Shortest Completing Word](https://leetcode-py.wisl.dev/problems/shortest-completing-word) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/shortest_completing_word/solution.py) |
| 760 | [Find Anagram Mappings](https://leetcode-py.wisl.dev/problems/find-anagram-mappings) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/find_anagram_mappings/solution.py) |
| 762 | [Prime Number of Set Bits in Binary Representation](https://leetcode-py.wisl.dev/problems/prime-number-of-set-bits-in-binary-representation) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/prime_number_of_set_bits_in_binary_representation/solution.py) |
| 766 | [Toeplitz Matrix](https://leetcode-py.wisl.dev/problems/toeplitz-matrix) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/toeplitz_matrix/solution.py) |
| 771 | [Jewels and Stones](https://leetcode-py.wisl.dev/problems/jewels-and-stones) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/jewels_and_stones/solution.py) |
| 783 | [Minimum Distance Between BST Nodes](https://leetcode-py.wisl.dev/problems/min-distance-in-bst) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/min_distance_in_bst/solution.py) |
| 796 | [Rotate String](https://leetcode-py.wisl.dev/problems/rotate-string) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/rotate_string/solution.py) |
| 800 | [Similar RGB Color](https://leetcode-py.wisl.dev/problems/similar-rgb-color) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/similar_rgb_color/solution.py) |
| 804 | [Unique Morse Code Words](https://leetcode-py.wisl.dev/problems/unique-morse-code-words) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/unique_morse_code_words/solution.py) |
| 806 | [Number of Lines To Write String](https://leetcode-py.wisl.dev/problems/number-of-lines-to-write-string) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/number_of_lines_to_write_string/solution.py) |
| 812 | [Largest Triangle Area](https://leetcode-py.wisl.dev/problems/largest-triangle-area) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/largest_triangle_area/solution.py) |
| 819 | [Most Common Word](https://leetcode-py.wisl.dev/problems/most-common-word) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/most_common_word/solution.py) |
| 821 | [Shortest Distance to a Character](https://leetcode-py.wisl.dev/problems/shortest-distance-to-a-character) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/shortest_distance_to_a_character/solution.py) |
| 824 | [Goat Latin](https://leetcode-py.wisl.dev/problems/goat-latin) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/goat_latin/solution.py) |
| 830 | [Positions of Large Groups](https://leetcode-py.wisl.dev/problems/positions-of-large-groups) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/positions_of_large_groups/solution.py) |
| 832 | [Flipping an Image](https://leetcode-py.wisl.dev/problems/flipping-an-image) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/flipping_an_image/solution.py) |
| 836 | [Rectangle Overlap](https://leetcode-py.wisl.dev/problems/rectangle-overlap) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/rectangle_overlap/solution.py) |
| 844 | [Backspace String Compare](https://leetcode-py.wisl.dev/problems/backspace-string-compare) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/backspace_string_compare/solution.py) |
| 859 | [Buddy Strings](https://leetcode-py.wisl.dev/problems/buddy-strings) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/buddy_strings/solution.py) |
| 860 | [Lemonade Change](https://leetcode-py.wisl.dev/problems/lemonade-change) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/lemonade_change/solution.py) |
| 867 | [Transpose Matrix](https://leetcode-py.wisl.dev/problems/transpose-matrix) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/transpose_matrix/solution.py) |
| 868 | [Binary Gap](https://leetcode-py.wisl.dev/problems/binary-gap) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/binary_gap/solution.py) |
| 872 | [Leaf-Similar Trees](https://leetcode-py.wisl.dev/problems/leaf-similar-trees) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/leaf_similar_trees/solution.py) |
| 876 | [Middle of the Linked List](https://leetcode-py.wisl.dev/problems/middle-of-the-linked-list) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/middle_of_the_linked_list/solution.py) |
| 883 | [Projection Area of 3D Shapes](https://leetcode-py.wisl.dev/problems/projection-area-of-3d-shapes) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/projection_area_of_3d_shapes/solution.py) |
| 884 | [Uncommon Words from Two Sentences](https://leetcode-py.wisl.dev/problems/uncommon-words-from-two-sentences) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/uncommon_words_from_two_sentences/solution.py) |
| 888 | [Fair Candy Swap](https://leetcode-py.wisl.dev/problems/fair-candy-swap) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/fair_candy_swap/solution.py) |
| 892 | [Surface Area of 3D Shapes](https://leetcode-py.wisl.dev/problems/surface-area-of-3d-shapes) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/surface_area_of_3d_shapes/solution.py) |
| 896 | [Monotonic Array](https://leetcode-py.wisl.dev/problems/monotonic-array) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/monotonic_array/solution.py) |
| 897 | [Increasing Order Search Tree](https://leetcode-py.wisl.dev/problems/increasing-order-search-tree) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/increasing_order_search_tree/solution.py) |
| 905 | [Sort Array By Parity](https://leetcode-py.wisl.dev/problems/sort-array-by-parity) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/sort_array_by_parity/solution.py) |
| 908 | [Smallest Range I](https://leetcode-py.wisl.dev/problems/smallest-range-i) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/smallest_range_i/solution.py) |
| 914 | [X of a Kind in a Deck of Cards](https://leetcode-py.wisl.dev/problems/x-of-a-kind-in-a-deck-of-cards) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/x_of_a_kind_in_a_deck_of_cards/solution.py) |
| 917 | [Reverse Only Letters](https://leetcode-py.wisl.dev/problems/reverse-only-letters) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/reverse_only_letters/solution.py) |
| 922 | [Sort Array By Parity II](https://leetcode-py.wisl.dev/problems/sort-array-by-parity-ii) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/sort_array_by_parity_ii/solution.py) |
| 925 | [Long Pressed Name](https://leetcode-py.wisl.dev/problems/long-pressed-name) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/long_pressed_name/solution.py) |
| 929 | [Unique Email Addresses](https://leetcode-py.wisl.dev/problems/unique-email-addresses) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/unique_email_addresses/solution.py) |
| 933 | [Number of Recent Calls](https://leetcode-py.wisl.dev/problems/number-of-recent-calls) | Easy | [solution.py](https://github.com/wislertt/leetcode-py/blob/main/leetcode/number_of_recent_calls/solution.py) |

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