Send data from client to server using Python sockets in client.py and server.py.

Send data from peer to peer (client to client) using PubNub with pn_client_1.py and pn_client_2.py.

Install the PubNub package with pip (lastest as of 01/2019):

pip install 'pubnub>=4.1.2'

You must put in your free PubNub API keys to use pn_client_1.py and pn_client_2.py. Sign up at https://dashboard.pubnub.com/signup

Watch the tutorial video or read guide in the Python Socket Programming Tutorial PubNub Blog post.