#文件读写顺序学习 print("111 first") def sayHello(): str = "222 hello" print(str); print(__name__ + '333 from hello.sayhello()') print("444 第二个全局") def sayHello1(): str = "888 hello" print(str); print(__name__ + '999 from hello.sayhello()') if __name__ == "__main__": #name__其实是一个内置属性,指示当前py文件调用方式的方法。 print('555 This is main of module "hello.py"') sayHello() sayHello1() print(__name__ + '666 from hello.main') print("777 第三个全局")