beginner

Count Vowels

Count the number of vowels in a string.

Practice string iteration and character checking.

📚 Concepts & Theory

String Iteration

for char in text:
    if char in 'aeiou':
        count += 1

🎯 Your Challenge

Write count_vowels that returns the vowel count.

📝 Starter Code

Python

def count_vowels(text):
    pass

print(count_vowels('hello world'))

Solution

Python

def count_vowels(text):
    vowels = 'aeiouAEIOU'
    count = 0
    for char in text:
        if char in vowels:
            count += 1
    return count

print(count_vowels('hello world'))

Explanation

Check each character against vowels.

❓ Frequently Asked Questions

Iterate and check membership