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Strings & text

Format, split, join, parse, and clean text — everyday Python string patterns.

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Strings & text easy

How to Count Vowels in a String in Python

Counts uppercase and lowercase vowels in a given string using a set and a generator expression.

strings vowels counting
Python
def count_vowels(text):
    vowels = set("aeiouAEIOU")
    return sum(1 for char in text if char in vowels)

if __name__ == "__main__":
    sample = "Hello, World!"
    result = count_vowels(sample)
    print(f"Vowel count in '{sample}': {result}")
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