def count_vowels(text): text = text.lower() vowel_count = 0 vowels = set("aeiou") for char in text: if char in vowels: vowel_count += 1 return vowel_count text = "Hello, World!" result = count_vowels(text) print("Number of vowels:", result)
count_vowels = lambda text: sum(1 for char in text.lower() if char in "aeiou")
@siddharthvj1