小编Moo*_*Moo的帖子

1-

 def fib1(n):
     a = 0
     b = 1
     while a < n:
        print b
        a = b
        b = a+b

2-

 def fib2(n):
     a, b = 0,1
     while a < n:
         print b
         a,b = b, b+a

执行时:

fib1(10) 我得到了错误的答案: 0 1 2 4 8

fib2(10) 我得到了正确的答案: 0 1 1 2 3 5 8