code: def set_prompt(self, prompt):
          '''set prompt for command line'''
          if prompt and self.settings.vehicle_name:
              # add in optional vehicle name
              prompt = self.settings.vehicle_name + ':' + prompt
          self.mpstate.rl.set_prompt(promptf set_prompt(self, prompt):
          '''set prompt for command line'''
          if prompt and self.settings.vehicle_name:
              # add in optional vehicle name
              prompt = self.settings.vehicle_name + ':' + prompt
          self.mpstate.rl.set_prompt(prompt)
docs: set prompt for command line