class Foo:
def func(arg):
pass
def func(a1,a2): #方法的重载
pass
class Bar(Foo):
def func() #方法的重写
pass
class Foo:
def func(arg):
pass
def func(a1,a2): #方法的重载
pass
class Bar(Foo):
def func() #方法的重写
pass