Answer:
def pig_latin(text):
words = text.split()
pig_latin_words = []
for word in words:
first_letter = word[0]
rest_of_word = word[1:]
pig_latin_word = rest_of_word + first_letter + 'ay'
pig_latin_words.append(pig_latin_word)
return ' '.join(pig_latin_words)
pig_latin('I SLEPT MOST OF THE NIGHT') # 'Iay Leptsay Ostmay ofay hetay ightnay'