text: def start_playing(object):
      return object.play()
  
  
  # class Guitar:
  #     def play(self):
  #         return "Playing the guitar"
  #
  #
  # guitar = Guitar()
  # print(start_playing(guitar))
  
  class Children:
      def play(self):
          return "Children are playing"
  
  
  children = Children()
  print(start_playing(children))
  