* Enable ruff PLR5501 rule
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* Added doctest to skew_heap.py
* Update skew_heap.py
* Update data_structures/heap/skew_heap.py
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* Update skew_heap.py
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* Solving the `Top k most frequent words` problem using a max-heap
* Mentioning Python standard library solution in `Top k most frequent words` docstring
* ruff --fix .
* updating DIRECTORY.md
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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`.
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> 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…
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* Update heap_generic.py
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* Tighten up psf/black and flake8
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* Fix some E741
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* Factors of a number
* Update factors.py
* Fix mypy issue in basic_maths.py
* Fix mypy error in perceptron.py
* def primes(max: int) -> List[int]:
* Update binomial_heap.py
* Add a space
* Remove a space
* Add a space
* Min head with decrease key functionality
* doctest added
* __str__ changed as per Python convention
* edits in doctest
* get_value by key added
* __getitem__ added
* fix: Syntax Error lgtm display in matrix/matrix_operation.py.
* Testing for None should use the 'is' operator.
* fix: Too many arguments for string format.
* fix: supress lgtm alert as false positive.
* style: Unnecessary 'pass' statement.
* Revert "fix: Syntax Error lgtm display in matrix/matrix_operation.py."
This reverts commit 4c629b4ce1.
* Binomial Heap
Implementation of Binomial Heap. Reference: Advanced Data Structures, Peter Brass
* Update binomial_heap.py
* Update binomial_heap.py
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- Fuller documentation of binomial heap
- Update unit tests
- Replace printing method by overwriting __str__()
* Update binomial_heap.py
- Added more tests
- Added to the documentation
- Stylistic editing
- mergeHeaps now also returns a reference to the merged heap
- added a preOrder function that returns a list with the preorder of the heap
* Update binomial_heap.py
Changed the unit tests structure
* Turned the tests into doctests
