Count Vowels in a String

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Your question is Count Vowels in a String. Start with the requirements on the right.

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Problem

Write a function that takes a string s and returns the count of vowels (a, e, i, o, u) in it. The function should handle both uppercase and lowercase vowels.

Constraints

The input string s can be empty.
The length of s will not exceed 1000 characters.

Function Signature

def count_vowels(s):

Your solutionPython 3

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