text: #!/usr/bin/python
  # -*- coding: UTF-8 -*-
   
  class FooParent(object):
      def __init__(self):
          self.parent = 'I\'m the parent.'
          print ('Parent')
      
      def bar(self,message):
          print ("%s from Parent" % message)
   
  class FooChild(FooParent):
      def __init__(self):
          # super(FooChild,self) 首先找到 FooChild 的父类（就是类 FooParent），然后把类 FooChild 的对象转换为类 FooParent 的对象
          super(FooChild,self).__init__()    
          print ('Child')
          
      def bar(self,message):
          super(FooChild, self).bar(message)
          print ('Child bar fuction')
          print (self.parent)
   
  if __name__ == '__main__':
      fooChild = FooChild()
      fooChild.bar('HelloWorld')