照抄的代码运行出错 麻烦高手给把把关

Question

origin = 0

def factory(pos):
def go(step):
nonlocal pos
new_pos = pos + step
pos = new_pos
return new_pos
return go
tourist = factory(origin)
print(tourist(2))

照抄的代码 运行出错
localhost:sslee garywork$ python page9.py
File “page9.py”, line 5
nonlocal pos
^
SyntaxError: invalid syntax

Answer 1

慕仙1067096 2021-05-24 12:50:17

是 return pos。

Answer 2

Sayno_2 2019-09-03 19:08:30

origin = 0
def factory(pos):
    def go(step):
        nonlocal pos
        new_pos = pos + step
        pos = new_pos
        return new_pos
    return go
tourist = factory(origin)
print(tourist(2))

python代码用缩紧控制代码执行顺序

• 九十九杯咖啡 #1

  你确定是照抄的吗 你好像多返回了一个