Script tested on Linux/Windows with Python versions 3.6.5 and 2.7.13.
Server:
$ python server.py [Server Name] [Port]
$ Ex.: python server.py S1 1213
Client:
$ python client.py [Server Port 1] ([Server Port 2], [Server Port 3], [Server Port N])
$ Ex.: python client.py 1213 1214