pyglatin single sentence

raw_sentence = input("enter a sentence:")

def remove_period(x):
    if x[-1] == '.' or x[-1] == '?':
        x = x[:-1]
    else:
        x = x
    return x

sentence_without_period = remove_period(raw_sentence)

Sentence = sentence_without_period.split()

    

def pyg_sentence(sentence):
    new_sentence = ''
    if raw_sentence[-1] == '.':
        for word in sentence:
            new_sentence += pyg(word)
        new_sentence += "."
    if raw_sentence[-1] == '?':
        for word in sentence:
            new_sentence += pyg(word)
        new_sentence += "?"
    else:
        for word in sentence:
            new_sentence += pyg(word)
    return new_sentence 
    
def pyg(x):
    if x[0] == 'a' or x[0] == 'e' or x[0] == 'i' or x[0] == 'o' or x[0] == 'u':
        new_word = ' ' + x + "ay"
    elif x[1] != 'a' and x[1] != 'e' and x[1] != 'i' and x[1] != 'o' and x[1] != 'u' and x[1] != 'y':
        stem = ' ' + x[2:]
        beg = x[0:2]
        new_word = stem + beg + "ay"
    else:
        stem = ' ' + x[1:]
        beg = x[0]
        new_word = stem + beg + "ay"
    return new_word

print (pyg_sentence(Sentence))