There is a computer and Network Printer connected to LAN and I want to test the connection with my own software

I want to develop software to do two following task

1. A computer sends a command to the network printer and printer receive command
2. A computer receives data to the network printer and printer send data command

I am okay with python, I did a google search and come up that I need socket programming.

Do we need socket programming for this task? I don't understand How to develop software ?

 

I don't understand How to develop software ?

Well it's kind of a big deal to get started. Not something you'd want to bother with unless you want to continue along that path for future projects. What are you really trying to do? I'd look hard at existing software to accomplish what you need before I'd think about writing my own software. And actually, to get started on that I'd get the open source driver for the printer and attempt to modify it as little as possible to enable it to do what I want. Writing your own printer driver would not be a trivial task.