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Use TypeError for non-string input in count_vowels (#14196)

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* Use TypeError for non-string input in count_vowels

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

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* Fix docstring and improve input validation in kth_lexicographic_permutation

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

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

* Update kth_lexicographic_permutation.py

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Co-authored-by: Maxim Smolskiy <mithridatus@mail.ru>
This commit is contained in:
Yaadhuu
2026-03-09 10:27:20 +05:30
committed by GitHub
parent 1ae906a97b
commit da6b9e9687
1 changed files with 1 additions and 1 deletions
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strings/count_vowels.py
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@@ -22,7 +22,7 @@ def count_vowels(s: str) -> int:
1
"""
if not isinstance(s, str):
raise ValueError("Input must be a string")
raise TypeError("Input must be a string")
vowels = "aeiouAEIOU"
return sum(1 for char in s if char in vowels)