自动使所有子类调用父类的方法

class Parent:
    def method(self):
        print("This is the parent class method.")

class Child1(Parent):
    def method(self):
        print("This is the method of Child1.")

class Child2(Parent):
    def method(self):
        print("This is the method of Child2.")

# 创建子类对象
child1 = Child1()
child2 = Child2()

# 通过父类引用调用方法
parent = Parent()
parent.method()  # 输出：This is the parent class method.

# 通过子类对象调用方法
child1.method()  # 输出：This is the method of Child1.
child2.method()  # 输出：This is the method of Child2.