def vowel_one(s):
    output = ""

    for letter in s:
        if letter in "aeiouAEIOU":
            output+='1'
        else:
            output+='0'

    return output

'''
vowelOne

Write a function that takes a string and outputs a strings of 1's and 0's where
 vowels become 1's and non-vowels become 0's.

All non-vowels including non alpha characters (spaces,commas etc.) should be included.

Examples:

vowelOne "abceios" -- "1001110"

vowelOne "aeiou, abc" -- "1111100100"

'''
