code: def get_output(self, idx=-1):
          
          buff = ""
  
          data = self.get_data()
  
          buff += repr(data) + " | "
          for i in range(0, len(data)):
              buff += "\\x%02x" % data[i]
  
          return buff
docs: Return an additional output of the instruction
  
              :rtype: string