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Author SHA1 Message Date
pre-commit-ci[bot]
421ace81ed
[pre-commit.ci] pre-commit autoupdate (#9013) 
* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.0.285 → v0.0.286](https://github.com/astral-sh/ruff-pre-commit/compare/v0.0.285...v0.0.286)
- [github.com/tox-dev/pyproject-fmt: 0.13.1 → 1.1.0](https://github.com/tox-dev/pyproject-fmt/compare/0.13.1...1.1.0)

* updating DIRECTORY.md

* Fis ruff rules PIE808,PLR1714

---------

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Co-authored-by: Christian Clauss <cclauss@me.com>
 2023-08-29 15:18:10 +02:00
Christian Clauss
4b79d771cd
Add more ruff rules (#8767) 
* Add more ruff rules

* Add more ruff rules

* pre-commit: Update ruff v0.0.269 -> v0.0.270

* Apply suggestions from code review

* Fix doctest

* Fix doctest (ignore whitespace)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
 2023-05-26 09:34:17 +02:00
amirsoroush
63710883c8
Remove extra len calls in doubly-linked-list's methods (#8600) 2023-04-01 17:53:21 +05:30
amirsoroush
e4d90e2d5b
change space complexity of linked list's __len__ from O(n) to O(1) (#8183) 2023-04-01 08:26:43 +02:00
Christian Clauss
64543faa98
Make some ruff fixes (#8154) 
* Make some ruff fixes

* Undo manual fix

* Undo manual fix

* Updates from ruff=0.0.251
 2023-03-01 17:23:33 +01:00
Christian Clauss
c909da9b08
pre-commit: Upgrade psf/black for stable style 2023 (#8110) 
* 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.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

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 2023-02-01 18:44:54 +05:30
Dhruv Manilawala
8bfd1c844b
fix: mypy 0.991 issues (#7988) 
* fix: mypy 0.991 issues

* fix: invalid condition for base case
 2022-11-15 18:29:14 +01:00
Caeden Perelli-Harris
daa1c7529a
Raise error not string (#7945) 
* ci: Add `B023` to `.flake8` ignores

* refactor: Return `bool`/raise Exception

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* revert: Remove previous branch commit

* Update data_structures/binary_tree/segment_tree_other.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* feat: Apply `__repr__` changes

* chore: Fix failing tests

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* Update data_structures/binary_tree/segment_tree_other.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* test: Fix doctests

* random.choice(population_score[:N_SELECTED])[0]

* Update basic_string.py

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 2022-11-06 15:54:44 +01:00
Christian Clauss
45b3383c39
Flake8: Drop ignore of issue A003 (#7949) 
* Flake8: Drop ignore of issue A003

* updating DIRECTORY.md

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 2022-11-02 19:20:45 +01:00
Christian Clauss
19bff003aa
Adopt Python >= 3.8 assignment expressions using auto-walrus (#7737) 
* Adopt Python >= 3.8 assignment expressions using auto-walrus

* updating DIRECTORY.md

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 2022-10-28 15:54:54 +02:00
Caeden Perelli-Harris
61eedc16c3
Remove useless code in doctests (#7733) 
* refactor: Fix matrix display deprecation

* refactor: Remove useless `print` and `pass` statements

* revert: Replace broken doctests

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* revert: Fix failing doctests

* chore: Satisfy pre-commit

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 2022-10-27 22:52:00 +02:00
Caeden Perelli-Harris
9bba42eca8
refactor: Indent ... for visual purposes (#7744) 2022-10-27 19:42:30 +02:00
CenTdemeern1
04698538d8
Misc fixes across multiple algorithms (#6912) 
Source: Snyk code quality
Add scikit-fuzzy to requirements

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 2022-10-16 10:55:38 +05:30
Caeden
a652905b60
Add Flake8 comprehensions to pre-commit (#7235) 
* ci(pre-commit): Add ``flake8-comprehensions`` to ``pre-commit`` (#7233)

* refactor: Fix ``flake8-comprehensions`` errors

* fix: Replace `map` with generator (#7233)

* fix: Cast `range` objects to `list`
 2022-10-15 19:29:42 +02:00
Caeden
4d0c830d2c
Add flake8 pluin flake8 bugbear to pre-commit (#7132) 
* ci(pre-commit): Add ``flake8-builtins`` additional dependency to ``pre-commit`` (#7104)

* refactor: Fix ``flake8-builtins`` (#7104)

* fix(lru_cache): Fix naming conventions in docstrings (#7104)

* ci(pre-commit): Order additional dependencies alphabetically (#7104)

* fix(lfu_cache): Correct function name in docstring (#7104)

* Update strings/snake_case_to_camel_pascal_case.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update data_structures/stacks/next_greater_element.py

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* Update digital_image_processing/index_calculation.py

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* Update graphs/prim.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update hashes/djb2.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* refactor: Rename `_builtin` to `builtin_` ( #7104)

* fix: Rename all instances (#7104)

* refactor: Update variable names (#7104)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* ci: Create ``tox.ini`` and ignore ``A003`` (#7123)

* revert: Remove function name changes (#7104)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Rename tox.ini to .flake8

* Update data_structures/heap/heap.py

Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>

* refactor: Rename `next_` to `next_item` (#7104)

* ci(pre-commit): Add `flake8` plugin `flake8-bugbear` (#7127)

* refactor: Follow `flake8-bugbear` plugin (#7127)

* fix: Correct `knapsack` code (#7127)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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 2022-10-13 18:03:06 +02:00
Caeden
d5a9f649b8
Add flake8-builtins to pre-commit and fix errors (#7105) 
Ignore `A003`

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 2022-10-13 19:53:59 +05:30
Christian Clauss
b75a7c77f8
pre-commit autoupdate: pyupgrade v2.34.0 -> v2.37.0 (#6245) 
* pre-commit autoupdate: pyupgrade v2.34.0 -> v2.37.0

* pre-commit run --all-files
 2022-07-11 10:19:52 +02:00
Christian Clauss
1ae5abfc3c
Replace typing.optional with new annotations syntax (#5829) 
* Replace typing.optional with new annotations syntax

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2021-11-17 04:43:02 +01:00
Christian Clauss
477cc3fe59
Add pyupgrade to pre-commit (#5638) 
* Add pyupgrade to pre-commit

* Remove unused imports

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2021-10-28 16:45:59 +02:00
Sherman Hui
9153db2d27
[mypy] fix: fix mypy error in singly_linked_list.py (#5517) 
The list comprehension shortcut was implicitly expecting a return
value causing a mypy error since `insert_tail` doesn't return a value
 2021-10-22 11:39:18 +08:00
Immiel
2e2e1b656c
singly_linked_list: Added additional documentation, type hints and test cases (#4988) 
This is a followup to https://github.com/TheAlgorithms/Python/pull/4973#issuecomment-933117382

As per given suggestion, I've added type hints to certain methods that don't have them.  I have also added documentation and example doctests as a usage example for (most of) those that don't have them.

I have also added another test case following the previous test case's format. I noticed that the existing test case from previous pull request might be redundant with the ones I've made, so I decided to create a specific situation where the linked list would have to keep different kinds of data types for each node, in `test_singly_linked_list_2` test function.

Some minor changes in strings has been done to keep things consistent with other parts of the document. If it is undesirable, please let me know.
 2021-10-20 16:08:39 +08:00
Parth Satodiya
d324f91fe7
Fix mypy errors for data_structures->linked_list directory files (#4927) 2021-10-07 23:18:23 +08:00
Christian Clauss
cecf43d648
Pyupgrade to Python 3.9 (#4718) 
* Pyupgrade to Python 3.9

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2021-09-07 13:37:03 +02:00
Dhruv Manilawala
6f21f76696
fix(ci): Update pre-commit hooks and apply new black (#4359) 
* fix(ci): Update pre-commit hooks and apply new black

* remove empty docstring
 2021-04-26 07:46:50 +02:00
CarsonHam
61f3119467
Change occurrences of str.format to f-strings (#4118) 
* f-string update rsa_cipher.py

* f-string update rsa_key_generator.py

* f-string update burrows_wheeler.py

* f-string update non_recursive_segment_tree.py

* f-string update red_black_tree.py

* f-string update deque_doubly.py

* f-string update climbing_stairs.py

* f-string update iterating_through_submasks.py

* f-string update knn_sklearn.py

* f-string update 3n_plus_1.py

* f-string update quadratic_equations_complex_numbers.py

* f-string update nth_fibonacci_using_matrix_exponentiation.py

* f-string update sherman_morrison.py

* f-string update levenshtein_distance.py

* fix lines that were too long
 2021-02-23 11:23:49 +05:30
Maliha
860d4f547b
Create merge_two_lists.py that implements merging of two sorted linked lists (#3874) 
* Create merge_two_lists.py that implements merging of two sorted linked lists

* Update merge_two_lists.py

Fixed formatting errors

* Fixed trailing whitespace

* Change name of function to def __str__()

* updating DIRECTORY.md

* Imported classes from singly_linked_list.py

* Update merge_two_lists.py

* Update merge_two_lists.py

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-12-03 16:02:48 +01:00
arif599
9c6080a6fc
data_structures/linked_list: Add __str__() function (#3961) 
* Adding __str__() function

* Removing white space

* Update data_structures/linked_list/__init__.py

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* Adding type hints

* Update __init__.py

* Update __init__.py

* Adding the changes requested

* Updating to fix pre-commit

* Updating __init__.py

* Updating __init__.py

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 2020-11-28 11:20:18 +05:30
Du Yuanchao
5e642607c8
Update doubly linked list (#3619) 
* update doubly linked list

* reformat code
add more test

* add test to iter

* updating DIRECTORY.md

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 2020-10-21 22:31:09 +08:00
Christian Clauss
9b95e4f662
Pyupgrade to python3.8 (#3616) 
* Upgrade to Python 3.8 syntax

* updating DIRECTORY.md

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 2020-10-21 12:46:14 +02:00
Akash G Krishnan
c33b683193
New doubly linkedlist PR: pull/2573 (#3380) 
https://github.com/TheAlgorithms/Python/pull/2573 
the second implementation of the Doubly linked list
 2020-10-16 15:13:45 +02:00
Sherman Hui
477b2c24b8
Hacktoberfest: Update Linked List - print_reverse method (#2792) 
* chore: update print_reverse helper method

Use a generator expression instead of slicing
`elements_list` to improve the space and time complexity
of `make_linked_list` to O(1) space and O(n) time
by avoiding the creation a shallow copy of `elements_list`.

* fix: add type checking and argument typing

Add argument typing to all methods in `print_reverse`

Add doctest to helper function `make_linked_list` and
basic edge case tests to `print_reverse`

* test: add `print_reverse` test

Fix doctest syntax and remove edge case tests that are covered
by typed arguments.

Add `print_reverse` test that expects the correct values are printed
out by adding a `test_print_reverse_output` helper function.

* format code

Co-authored-by: shellhub <shellhub.me@gmail.com>
 2020-10-05 19:08:57 +08:00
Dhruv
9016fe192f
Fix imports for all namespace packages (#2506) 
* Fix imports as they're namespace packages

* Fix import for scripts/validate_filenames.py

* Fix path in doctest
 2020-09-28 23:41:04 +02:00
Du Yuanchao
7f48bb8c95
Updated circular_linked_list (#2483) 
* Updated circular_linked_list

* fixup! Format Python code with psf/black push

* Update data_structures/linked_list/circular_linked_list.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* updating DIRECTORY.md

* delete print_list()

* test is_empty()

* test is_empty return False

* fixup! Format Python code with psf/black push

* fixed indentation

* fixup! Format Python code with psf/black push

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Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-09-26 22:57:09 +08:00
Du Yuanchao
b81fcef66b
Fixed linked list bug (#2481) 
* * fixed __getitem__() function
* add test

* * updated doctests
* updated __setitem__() func

* fixup! Format Python code with psf/black push

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 2020-09-25 18:08:57 +02:00
Du Yuanchao
18f1dcd48a
Updated singly_linked_list (#2477) 
* Updated singly_linked_list

* fixup! Format Python code with psf/black push

* undo __repr__

* updating DIRECTORY.md

* UNTESTED CHANGES: Add an .__iter__() method.

This will break tests, etc.

* fixup! Format Python code with psf/black push

* len(tuple(iter(self)))

* fixed __repr__()

* Update data_structures/linked_list/singly_linked_list.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update data_structures/linked_list/singly_linked_list.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update data_structures/linked_list/singly_linked_list.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update data_structures/linked_list/singly_linked_list.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update data_structures/linked_list/singly_linked_list.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update data_structures/linked_list/singly_linked_list.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update data_structures/linked_list/singly_linked_list.py

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 2020-09-25 16:09:29 +02:00
Christian Clauss
9200a2e543
from __future__ import annotations (#2464) 
* from __future__ import annotations

* fixup! from __future__ import annotations

* fixup! from __future__ import annotations

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-09-23 13:30:13 +02:00
kanthuc
ecac7b0973
Contains loops.py add (#2442) 
* added an algorithm which checks a linked list for loops and returns true if one is found

* added doctests and clarified meaning of loop

* Define Node.__iter__()

* Update and rename has_loop.py to has_duplicate_data.py

* Update has_duplicate_data.py

* Update has_duplicate_data.py

* Update and rename has_duplicate_data.py to has_loop.py

* Update has_loop.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-09-18 22:53:50 +02:00
Du Yuanchao
4d0a8f2355
Optimized recursive_bubble_sort (#2410) 
* optimized recursive_bubble_sort

* Fixed doctest error due whitespace

* reduce loop times for optimization

* fixup! Format Python code with psf/black push

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 2020-09-10 10:31:26 +02:00
NEERAJ ADITYANANTH POLAMPALLI
3b1c4f72ce
changed a typo (#2396) 2020-09-05 13:09:18 +02:00
TheSuperNoob
b2e8672f02
Fix doubly linked list algorithm (#2062) 
* Fix doubly linked list algorithm

* Fix bug with insert_at_tail method

Create __str__() method for Node class and LinkedList class

* Simplify __str__() of LinkedList

Returns empty string if there are no elements in the list

* Fix description
 2020-08-02 23:55:18 +08:00
Christian Clauss
9316e7c014
Set the Python file maximum line length to 88 characters (#2122) 
* flake8 --max-line-length=88

* fixup! Format Python code with psf/black push

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 2020-06-16 10:09:19 +02:00
Lakshmikanth2001
321b1425e3
data_structures/linked_list: Add __len__() function and tests (#2047) 
* Update __init__.py

please add a function to get length of linked list

* Update __init__.py

* Update doubly_linked_list.py

all size function lo doubly linked list class

* prime number _better method

* comments

* Updated init.py 2

made it more pythonic

* updated length function

* commnet in linked_list construtor

* Update data_structures/linked_list/__init__.py

accepecting changes

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update data_structures/linked_list/__init__.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update __init__.py

* Revert changes to doubly_linked_list.py

* Revert changes to prime_check.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-05-31 11:37:45 +02:00
Christian Clauss
1e8fe8efcf
circular_linked_list: Add more len() tests (#2051) 
* circular_linked_list: Add more len() tests

* fixup! Format Python code with psf/black push

* prepend()

* updating DIRECTORY.md

* Fix decrementation of self.length

* Add empty list tests

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 2020-05-31 13:06:57 +05:30
Christian Clauss
1f8a21d727
Tighten up psf/black and flake8 (#2024) 
* Tighten up psf/black and flake8

* Fix some tests

* Fix some E741

* Fix some E741

* updating DIRECTORY.md

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 2020-05-22 08:10:11 +02:00
Christian Clauss
0e6e5056b3
singly_linked_list.py: psf/black (#2008) 
* singly_linked_list.py: psf/black

* updating DIRECTORY.md

* Update singly_linked_list.py

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 2020-05-19 13:54:25 +02:00
Christian Clauss
1c62bd10c1
Precision must be a nonnegative integer (#2013) 
* Precision must be a nonnegative integer

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-05-19 15:46:20 +05:30
Akash
f9e0dd94d6
added __len__ function (#1812) 
* added __len__ function

Added a function to count number of nodes in linked list

* Updated __len__ method

used snake_case instead of camel case

* Add tests to __len__()

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-05-18 18:10:55 +02:00
Christian Clauss
6acd7fb5ce
Wrap lines that go beyond GitHub Editor (#1925) 
* Wrap lines that go beyond GiHub Editor

* flake8 --count --select=E501 --max-line-length=127

* updating DIRECTORY.md

* Update strassen_matrix_multiplication.py

* fixup! Format Python code with psf/black push

* Update decision_tree.py

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 2020-05-01 23:36:35 +02:00
Christian Clauss
8bf380ce7d
README.md: sumab() --> sum_ab() for consistancy (#1855) 
* README.md: sumab() --> sum_ab() for consistancy  

consistency

* fixup! Format Python code with psf/black push

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 2020-04-12 17:18:30 +02:00
Sajied Shah Yousuf
c775baf55f
Added new Algorithm to find middle element of Linked List (#1822) 
* Added new Algorithm to find middle element of Linked List

* Rename MiddleElementOfLinkedList.py to middle_element_of_linked_list.py

* changed "middle_element_of_linked_list.py" algorithm for taking input

* Update middle_element_of_linked_list.py

* Update middle_element_of_linked_list.py

* Update middle_element_of_linked_list.py

* Update middle_element_of_linked_list.py

* Update middle_element_of_linked_list.py

* Update middle_element_of_linked_list.py

* Update middle_element_of_linked_list.py

* Update middle_element_of_linked_list.py

* Update middle_element_of_linked_list.py

* Whack the trailing whitespace

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-04-12 16:45:07 +02:00