message: Update design-an-atm-machine.py
diff: @@ -23,7 +23,7 @@ class ATM(object):
  :type amount: int
  :rtype: List[int]
  """
  - result = [0]*5
  + result = [0]*len(self.__cnt)
  for i in reversed(xrange(len(self.__vals))):
  result[i] = min(amount//self.__vals[i], self.__cnt[i])
  amount -= result[i]*self.__vals[i]
  