def countVowel():
    file = open('main.txt')

    a = file.read()

    b = a.split()

    count = 0

    for k in b:
        for a in k:
            if a in "aeiouAEIOU":
                count = count + 1
        print("No of vowels present in", k,  ": ",count)
        count = 0