text: 
  class Football:
      _Ball = list
  
      @property
      def Ball(self):
          return self._Ball
  
      @Ball.setter
      def Ball(self, value):
          self._Ball = value
  
  
  class Defender:
      _Defender = list
  
      @property
      def Defender(self):
          return self._Defender
  
      @Defender.setter
      def Defender(self, value):
          self._Defender = value
  