一个类无论是否继承Animal父类,只要有run方法就可以用run_twice()方法。
class people(object):#继承自object类
def run(self):
print('start')
run_twice(people())
#输出结果:
start start
#如果子类无自定义方法,就会继承Animal类的run方法
class people(Animal):
pass
Animal is running... Animal is running...
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程程wcl
一个类无论是否继承Animal父类,只要有run方法就可以用run_twice()方法。
class people(object):#继承自object类
def run(self):
print('start')
run_twice(people())
#输出结果:
#如果子类无自定义方法,就会继承Animal类的run方法
class people(Animal):
pass
run_twice(people())
#输出结果: