def desent_to_cycle(start, curr):
if curr in one_set:
one_set.add(start)
elif curr in eighty_nine_set:
eighty_nine_set.add(start)
else:
desent_to_cycle(start, sos_digits(curr))
def good_or_bad(n):
k = n
while n not in goodones and n not in badones:
n = sos_digits(n)
if n in goodones:
goodones.add(k)
else: #n in badones
badones.add(k)
def unhappy(n):
while n > 1 and n != 89 and n != 4:
n = sos_digits(n)
return n>1
