Add recursive factorial method with tests · TheAlgorithms/Python@4c7cc73

data_structures/binary_tree/treap.py:19:9: PLC0415 `import` should be at the top-level of a file

data_structures/binary_tree/red_black_tree.py:488:9: PLC0415 `import` should be at the top-level of a file

data_structures/binary_tree/red_black_tree.py:6:7: PLW1641 Object does not implement `__hash__` method

data_structures/binary_tree/non_recursive_segment_tree.py:47:19: UP046 Generic class `SegmentTree` uses `Generic` subclass instead of type parameters

data_structures/binary_tree/diff_views_of_binary_tree.py:176:5: PLC0415 `import` should be at the top-level of a file

data_structures/binary_tree/binary_search_tree.py:118:9: PLC0415 `import` should be at the top-level of a file

data_structures/binary_tree/avl_tree.py:333:5: PLC0415 `import` should be at the top-level of a file

ciphers/shuffled_shift_cipher.py:172:32: PT028 Test function parameter `msg` has default argument

ciphers/hill_cipher.py:82:32: RUF057 Value being rounded is already an integer

ciphers/atbash.py:43:5: PLC0415 `import` should be at the top-level of a file

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