Code Academy - Pyg Latin Translator

PygLatin.py

pyg = 'ay'
print "Welcome to the Pyg Latin Translator"

original = raw_input('Enter a word to be translated:')

if len(original) > 0 and original.isalpha():
    word = original.lower()
    first = word[0]
    if first in ["a","e","i","o","u"]:
        new_word = word+pyg
        print new_word
    else:
        new_word = word[1:]+word[0:1]+pyg
        print new_word
else:
    print 'empty, restart and try again'