$ /usr/bin/telnet localhost 8000
Trying ::1...
telnet: connect to address ::1: Connection refused
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Menu:
1) Function 1
2) Function 2
3) Function 3

1
> I am function 1!
Menu:
1) Function 1
2) Function 2
3) Function 3

2
> I am function 2!
Menu:
1) Function 1
2) Function 2
3) Function 3

3
> Connection closed by foreign host.