使用另一个类打印一个类的多个实例

import inspect

class Printer:
    def print_instances(self, cls):
        instances = [obj for name, obj in inspect.getmembers(cls) if inspect.isclass(obj)]
        for instance in instances:
            print(instance)

class MyClass:
    pass

class AnotherClass:
    pass

if __name__ == "__main__":
    my_instance1 = MyClass()
    my_instance2 = MyClass()
    another_instance1 = AnotherClass()
    another_instance2 = AnotherClass()

    printer = Printer()
    printer.print_instances(MyClass)
    printer.print_instances(AnotherClass)