Pig Latin

def pig_latin(word):
    new_words = []
    subject = word.split()  # Creates a list of words. This works for  individual words or sentences.
    for i in subject:  # Iterates through split word
        first_letter = i[0]

        if first_letter in 'aeiou':
            pig_word = i + 'ay'
            new_words.append(pig_word)  # Appends pic latin word

        else:
            pig_word = i[1:] + first_letter + 'ay'
            new_words.append(pig_word)

    print(' '.join(new_words))  # Prints content of new_words list. This is for printing sentences