python的缩进

1.

def fib(num):
     result = [0,1]
     for i in range(num-2):
           result.append(result[-2] + result[-1])
           return result
print(fib(10))

[0, 1, 1]

2.

def fib(num):
     result = [0,1]
     for i in range(num-2):
           result.append(result[-2] + result[-1])
     return result
print(fib(10))

[0, 1, 1, 2, 3, 5, 8, 13, 21, 34]