* don't need to return list because list is mutable
* Don't need to return list as list is mutable
* use advantage of python in swapping
* filter blank inputs from input list
* minor changes
* minor mistake
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* more readable
* Update double_sort.py
* last fixes
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* Apply suggestions from code review
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* add tests for tree_sort
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* Update tree_sort.py
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* Add typing
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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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* For the better understanding of time taken.
In this change I have initialized a variable p with the value of (1e9+7) and then took the modulus of process time with it . This modification gives better time taken by the process . Firstly it was giving answer in the exponential now it gives in the integer form.
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* Updated info
Updated the readme section for sorts.
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* Update sorts/README.md
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* Update README.md
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As described in #6095, this reduces the chances to observe a O(n^2) complexity.
Here, `collection.pop(pivot_index)` is avoided for performance reasons.
Fixes: #6095
* fixed wrong algo name to radix sort
* added wiki url
* Added "source" in docstring
* Update radix_sort.py
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* Fixed bug where array length 2 can't be sorted
* Add MCC and DU path test
Add test to conversions/octal_to_decimal.py and sorts\iterative_merge_sort.py
* ""
* Update octal_to_decimal.py
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* Fix several typos
* Update bit_manipulation/README.md
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* Update double_sort.py
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* Added Dutch national flag sort Algorithm
* Changed file name to dnf_sort.py
* Added descriptive name and type hint
Added descriptive name and type hint for parameter with doctest for the function dnf_sort.
* Added test cases
* Added doctest cases
* Update sorts/dnf_sort.py
* Added doctest for dutch_national_flag_sort sorts/dnf_sort.py
* Update sorts/dnf_sort.py
* Added doctest for the function
dutch_national_flag_sort
* update file as per black code formatter
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* Update and rename dnf_sort.py to dutch_national_flag_sort.py
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