<reponame>marwan1023/MITX.6.00.1x
vowels = 0
for char in s:
    if char=='a' or char=='e' or char=='i' or char=='o' or char=='u':
        vowels += 1
print('Number of vowels:', vowels)

vowels = 0
for char in s:
    if char=='a' or char=='e' or char=='i' or char=='o' or char=='u':
        vowels += 1
print('Number of vowels:', vowels)