<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 async def cli(self):
 """Enter commands in a simple CLI."""

        print('Enter commands and press enter')
        print('Type help for help and exit to quit')

        while True:
            command = await _read_input(self.loop, 'pyatv> ')
            if command.lower() == 'exit':
                break
            elif command == 'cli':
                print('Command not availble here')
                continue

            await _handle_device_command(
                self.args, command, self.atv, self.loop)