text: class Simple:
      def hello(self):
          return 'Hello'
  
      def world(self):
          return 'world'
  
      def hello_world(self, bang):
          return '%s %s%s' % (self.hello(), self.world(), bang)
  
      def getReady(self):
          pass
  
      def finishUp(self):
          pass
  