[ ] 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".
Describe your change:
improved your code
Fixes #4
Checklist: