Count vowels from raw input

Question

I have a homework question which asks to read a string through raw input and count how many vowels are in the string. This is what I have so far but I have encountered a pro

Answer 1

Here's a more condensed version using sum with a generator:

def vowels():
    string = raw_input("Enter a string: ")
    print sum(1 for x in string if x.lower() in 'aeiou')

vowels()