1 class Person(): 2     def __init__(self, name): 3         self.name = name 4  5  6 def print_name(self): 7     print(self.name) 8  9 p = Person('Li')10 import types11 p.print_name = types.MethodType(print_name, p)    # 绑定函数到对象12 p.print_name()13 14 15 @staticmethod16 def print_abc():17     print('abc')18 19 Person.print_abc = print_abc20 Person.print_abc()21 22 23 @classmethod24 def print_123(cls):25     print('123')26 27 Person.print_123 = print_12328 Person.print_123()