Python从新手到大师——06：嵌套函数

代码一

#! /usr/bin/env python
"""
@Time     : 2018/8/22 14:22
@Author   : Damao
@Site     : Life is short. I use python.
@File     : test1.py
@Software : PyCharm

"""
def foo():
    b = 'hello'

    def bar():  # Python中可以在函数内部再定义函数
        c = True
        print(a)
        print(b)
        print(c)

    bar()
    # print(c)  # NameError: name 'c' is not defined


if __name__ == '__main__':
    a = 100
    # print(b)  # NameError: name 'b' is not defined
    foo()

代码二

#! /usr/bin/env python
"""
@Time     : 2018/8/22 14:23
@Author   : Damao
@Site     : Life is short. I use python.
@File     : test2.py
@Software : PyCharm

"""
"""函数代码的编写方式"""

def main():
    # Todo: Add your code here
    pass


if __name__ == '__main__':
    main()