Kata3.py

gistfile1.txt

def numberOfVowels(data):
    """
    This function counts the number of vowels in a given string.
    Vowels are considered as: a, e, i, o, and u.
    """
    # Define the set of vowels
    vowels = set("aeiou")

    # Count the number of vowels in the string
    count = sum(1 for char in data if char in vowels)

    return count

# Testing the function with different inputs
print(numberOfVowels("orange"))            # Expected output: 3
print(numberOfVowels("lighthouse labs"))   # Expected output: 5
print(numberOfVowels("aeiou"))             # Expected output: 5