DEF USTUFF = u"Spam"

def uf():
    """
    >>> uf()
    It works!
    """
    IF USTUFF == u"Spam":
        print "It works!"
    ELSE:
        print "Doesn't work"

DEF BSTUFF = b"Spam"

def bf():
    """
    >>> bf()
    It works!
    """
    IF BSTUFF == b"Spam":
        print "It works!"
    ELSE:
        print "Doesn't work"