1 class fib: 2 def __init__(self): 3 self.a, self.b = 0, 1 4 5 def next(self): 6 result = self.b 7 self.a, self.b = self.b, self.a + self.b 8 return result 9 10 seq = fib() 11 i = 0 12 while i < 10: 13 print seq.next() 14 i += 1
