# L-15 MCS 260 Mon 1 Oct 2007 : an oracle
#
# With lambda forms we can make functions
# that return functions.
#
def make_oracle():
   "returns an oracle as a lambda form"
   n = input('Give secret number : ')
   f = lambda x: x == n
   return f

oracle = make_oracle()
while True:
   g = input('Guess the secret : ')
   if oracle(g): break
   print 'wrong, try again'
print 'found the secret'