Python 父類調用子類方法

class father():
    def call_children(self):
        child_method = getattr(self, 'out')# 獲取子類的out()方法
        child_method() # 執行子類的out()方法

class children(father):
    def out(self):
        print "hehe"


child = children()
child.call_children()