变量的作用域
list = [0] -------------全局 globe
def Est1():
list = [1] ----------闭包 enclose
def Est2():
list = [2] -----局部 local
print (list)
Est2()
Est1()
d
list = [0] -------------全局 globe
def Est1():
list = [1] ----------闭包 enclose
def Est2():
list = [2] -----局部 local
print (list)
Est2()
Est1()
d