Python base

eighth-oop_Class1.py

class Myfirst(object):
    def __init__(self,name):
        self.name=name
    def __init__(self):
        print("no arguments")

    def f(self):
        print(self.name)
if __name__=='__main__':
    # c1 = Myfirst("CJJ")           #this will be wrong
    c2 = Myfirst()
    #在python中一个类可以定义多个构造方法,但实例化类时只能实例化最后的构造方法

eighth-oop_Class2.py

class MyClass2(object):
    def __init__(self,name):
        self.__name=name
    def set_name(self,name):
        self.__name = name
    def get_name(self):
        return self.__name
    def __str__(self):
        return self.__name
    __repr__=__str__
if __name__=='__main__':
    c1 = MyClass2('CJJ')
    print(c1.get_name())
    print(c1)

My first try