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Added longest_palindromic_subsequence algorithm in Dynamic Programming with zero conflicts - #9448

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Added longest_palindromic_subsequence algorithm in Dynamic Programming with zero conflicts#9448
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@N16H7H4WK-3R

@N16H7H4WK-3RN16H7H4WK-3R commented Oct 2, 2023•
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Describe your change:

Added Longest Palindromic Subsequence Algorithm in Python. I found that there are no solution of Longest Palindromic Subsequence in Python. I added the file longest_palindromic_subsequence.py to the dynamic_programming directory. I have also added docstrings for the function with an explanation and doctests.

  • Add an algorithm?
  • Fix a bug or typo in an existing algorithm?
  • Documentation change?

Checklist:

  • I have read CONTRIBUTING.md.
  • This pull request is all my own work -- I have not plagiarized.
  • I know that pull requests will not be merged if they fail the automated tests.
  • This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
  • All new Python files are placed inside an existing directory.
  • All filenames are in all lowercase characters with no spaces or dashes.
  • All functions and variable names follow Python naming conventions.
  • All function parameters and return values are annotated with Python type hints.
  • All functions have doctests that pass the automated testing.
  • All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
  • If this pull request resolves one or more open issues then the description above includes the issue number(s) with a closing keyword: "Fixes #ISSUE-NUMBER".

@algorithms-keeperalgorithms-keeperBot added the require descriptive names This PR needs descriptive function and/or variable names label Oct 2, 2023
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algorithms-keeperBot reviewed Oct 2, 2023
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Click here to look at the relevant links ⬇️

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Comment threaddynamic_programming/longest_palindromic_subsequence.py
"""


def longest_palindromic_subsequence(s: str) -> tuple[int, str]:

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Please provide descriptive name for the parameter: s

@N16H7H4WK-3RN16H7H4WK-3ROct 2, 2023

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input_string

@algorithms-keeperalgorithms-keeperBot added the awaiting reviews This PR is ready to be reviewed label Oct 2, 2023
@tianyizheng02

tianyizheng02 commented Oct 16, 2023

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Algorithm was already added in #9288

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