s = {"dragons": 100, "evil wizards": 100, "trolls": 100}
def tl(env):
    licks = 252
    if len(env) == 0:
        return "It took 252 licks to get to the tootsie roll \
center of a tootsie pop."
    else:
        total = sum(env.values())
        licks += total
        compare = [x for x in env.values()]
        high = max(compare)
        print high
        parse = [k for k, v in env.iteritems() if v == high]
        toughest = ''.join(parse)
        return "It took {} licks to get to the tootsie roll center of a tootsie \
pop. The toughest challenge was {}.".format(licks, toughest)

#
# stuff = {"dragons": 100, "evil wizards": 110, "trolls": 50}
# dv = 50
# inv_map =
# print inv_map