def demo():
#局部变量
x = 5
y = 9
#内部函数
def inner1():
pass
def inner2():
pass
#闭包返回的函数
def all():
return [y,inner1,inner2]
#返回闭包需要的函数
return all
#调用函数与
bb = demo()
print(bb.__closure__)
def test():
x = 5
def inner(b):
return x + b
return inner
#调用函数
bb = test()
result = bb(10)
print(result)
