title: Server-client programming in python using OPC UA protocol
body: <p>How to make OPC UA server-client program using python.
  I found this link- <a href="https://github.com/FreeOpcUa/python-opcua/tree/master/examples" rel="nofollow noreferrer">https://github.com/FreeOpcUa/python-opcua/tree/master/examples</a>
  but i am unable to get flow of the codes. Please give your suggestions on it and if anybody is having any supporting documents related on same. pls share it.</p>