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def fapi(i):
def fuc():
return i**2
return fuc
l=[]
for i in range(4):
l.append(fapi(i))
l[0]()
def mainf():
l = []
for i in range(4):
def f():
return i**2
l.append(f)
return l
mainf()[0]()
def mainf2():
l = []
def f():
return i**2
for i in range(4):
l.append(f)
return l
mainf2()[0]()
def fuc():
return i**2
return fuc
l=[]
for i in range(4):
l.append(fapi(i))
l[0]()
def mainf():
l = []
for i in range(4):
def f():
return i**2
l.append(f)
return l
mainf()[0]()
def mainf2():
l = []
def f():
return i**2
for i in range(4):
l.append(f)
return l
mainf2()[0]()
 | 1 frostming Jul 8, 2021 缩进全丢了让人怎么看？ mainf 和 mainf2 效果是完全一样的，闭包内的自由变量直到包装的函数被调用时才会真正去寻值，i 都等于 3 |
 | 2 yellowtail OP @frostming 手机发帖不习惯,想了下没有缩减也不会有歧义，抱歉...不过第一个也都是对应的 i，结束以后应该都是 9 。 |
| 3 frostming Jul 12, 2021 第一个是正常输出 0，建议你重试下 |
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