* fix issue #8715
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* pre-commit: Upgrade psf/black for stable style 2023
Updating https://github.com/psf/black ... updating 22.12.0 -> 23.1.0 for their `2023 stable style`.
* https://github.com/psf/black/blob/main/CHANGES.md#2310
> This is the first [psf/black] release of 2023, and following our stability policy, it comes with a number of improvements to our stable style…
Also, add https://github.com/tox-dev/pyproject-fmt and https://github.com/abravalheri/validate-pyproject to pre-commit.
I only modified `.pre-commit-config.yaml` and all other files were modified by pre-commit.ci and psf/black.
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* feat: Implement binary tree path sum (#7135)
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* Update data_structures/binary_tree/binary_tree_path_sum.py
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* refactor: Rename `dfs` to `depth_first_search`
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* Different views of binary tree added
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* mypy errors resolved
* doc test for remaining functions
* Flake8 comments resolved
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* Example moved in if block
* doctest cases added
* Cases from if block removed
* Update data_structures/binary_tree/diff_views_of_binary_tree.py
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* Update data_structures/binary_tree/diff_views_of_binary_tree.py
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* PR Comments resolved
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* flake8 warning resolved
* Changes revered
* flake8 issue resolved
* Put the diagrams just above the doctests
* Update diff_views_of_binary_tree.py
* Update diff_views_of_binary_tree.py
* I love mypy
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* feat: Binary tree node sum (#7020)
* feat: Sum of all nodes in binary tree explanation (#7020)
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* Update data_structures/binary_tree/binary_tree_node_sum.py
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* refactor: Change replace method with `__iter__` overriding (#7020)
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* refactor: Make code more understandable
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* Binary Search Tree Inorder Traversal
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* Binary Search Tree Inorder Traversal v2
* Binary Search Tree Inorder Traversal
* Binary Search Tree Inorder Traversal
* Update inorder_tree_traversal_2022.py
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* Update inorder_tree_traversal_2022.py
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* Update inorder_tree_traversal_2022.py
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* Update data_structures/binary_tree/inorder_tree_traversal_2022.py
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* Updated
* Updated
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* Update data_structures/binary_tree/inorder_tree_traversal_2022.py
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* Updated and removed print statement
removed the print from inorder function
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* Enhance fenwick_tree.py
* Change update to add in fenwick_tree.py
* Some changes
* Fix bug
* Add O(N) initializer to FenwickTree
* Add get method to Fenwick Tree
* Change tree in Fenwick Tree
* Add rank query to FenwickTree
* Add get_array method to FenwickTree
* Add some tests
* Update data_structures/binary_tree/fenwick_tree.py
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* Update data_structures/binary_tree/fenwick_tree.py
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* Update data_structures/binary_tree/fenwick_tree.py
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* change `List` to `list`
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* MAINT: Used f-string method
Updated the code with f-string methods wherever required for a better and cleaner understanding of the code.
* Updated files with f-string method
* Update rsa_key_generator.py
* Update rsa_key_generator.py
* Update elgamal_key_generator.py
* Update lru_cache.py
I don't think this change is efficient but it might tackle the error as the error was due to using long character lines.
* Update lru_cache.py
* Update lru_cache.py
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* [mypy] Fix type annotations for binary tree traversals in data structures
* Change variable name and update level_order_1 to use a deque
Using a deque instead of a list here, because since we are removing from the beginning of the list, the deque will be more efficient.
* remove duplicate function
* Update data_structures/binary_tree/binary_tree_traversals.py
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* fix function name at line 137
* Update data_structures/binary_tree/binary_tree_traversals.py
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* Update data_structures/binary_tree/binary_tree_traversals.py
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* Remove type alias and use the new syntax
* Update data_structures/binary_tree/binary_tree_traversals.py
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* Remove prints inside functions and return lists
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* fix: fix mypy errors
Update binary_search_tree `arr` argument to be typed as a list
within `find_kth_smallest` function
Update return type of `merge_two_binary_trees` as both inputs can
be None which means that a None type value can be returned from
this function
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* Added the matrix_exponentiation.py file in maths directory
* Implemented the requested changes
* Update matrix_exponentiation.py
* resolve merge conflict with upstream branch
* add new line at end of file
* add wavelet_tree
* fix isort issue
* updating DIRECTORY.md
* fix variable names in wavelet_tree and correct typo
* Add type hints and variable renaming
* Update data_structures/binary_tree/wavelet_tree.py
Add doctests to placate the algorithm-bot, thanks to @cclauss.
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* Move doctest to individual functions and reformat code
* Move common test array to the global scope and reuse in tests
* MMove test array to global scope and minor linting changes
* Correct the failing pytest tests
* MUse built-in list for type annotation
* Update wavelet_tree.py
* types-requests
* updating DIRECTORY.md
* Update wavelet_tree.py
* # type: ignore
* # type: ignore
* Update decrypt_caesar_with_chi_squared.py
* ,
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