# shuffle = lambda st: " ".join(x[::-1] for x in st.split())
#
# 'shuffle()' does the same as 'reverse_word_chars()' below

def reverse_words(s):
    """returns string that is just like s except that the word order is
    reversed."""
    return ' '.join(reversed(s.split()))

def reverse_chars(s):
    """returns string whose char order is mirror image of s """
    return ''.join(reversed(s))

def reverse_word_chars(s):
    """returns string that is just like s except that the letters in each word
    are reversed"""
    return ' '.join(reversed(x) for x in s.split())