python中__del__方法的使用

class Person:

    def __del__(self):

        print("销毁对象：{0}".format(self))

p1 = Person()  # 5. 销毁对象：<__main__.Person object at 0x000001DFCD279FC8>

print(id(p1))  # 1. 2060731260872

p2 = Person()  # 3. 销毁对象：<__main__.Person object at 0x000001DFCD284088>

print(id(p2))  # 2. 2060731302024

del p2

print("over")  # 4. over

# print(id(p2))  # name 'p2' is not defined