Created
July 5, 2024 10:27
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Cute little palindrome tester with pattern matching in Python
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| def is_palindrome(s: str) -> bool: | |
| def _is_palindrome(lst: list[str]) -> bool: | |
| match lst: | |
| case [x, *xs, y]: | |
| return x == y and _is_palindrome(xs) | |
| case _: | |
| return True | |
| return _is_palindrome(list(s)) | |
| assert is_palindrome("") | |
| assert is_palindrome("a") | |
| assert is_palindrome("aa") | |
| assert is_palindrome("aba") | |
| assert is_palindrome("abba") | |
| assert not is_palindrome("ab") | |
| assert not is_palindrome("abca") | |
| assert not is_palindrome("abcdba") |
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