Open utterances-bot opened 2 years ago
https://magic.iswbm.com/c05/c05_31.html
不考虑python2的话, p.class.speak = speak
p.__class__.speak = speak
p.class.speak 这种方式所有实例都会受影响
5.31 替换实例方法的最佳实践 — Python黑魔法手册 1.0.0 documentation
https://magic.iswbm.com/c05/c05_31.html