Count and display the vowels of a given textΒΆ

Count and display the vowels of a given text.
def vowel(S):
    VS = "aeiuoAEIOU"
    print(len([letter for letter in S if letter in VS]))
    print([letter for letter in S if letter in VS])

# test
vowel('w3resource');

Output:

4
['e', 'o', 'u', 'e']