Multiuser python app with 0 alone for low-junior?

Question

IT education

I have been studying python for half a year, I have studied the language based constructions (several courses on stepik ~ 100 hours in total + Eric Mattis - "python programming"), I want to take on my own project for an enterprise where I am currently working in a non-IT direction (OPK, not the fact that agree to implement).
Multi-user application for inventory accounting: generating a bar code, assigning data, further accounting for issuance, replenishment of stocks, etc.
What do I need to study for this? DB? About the need to master pythone-barcode, pyqt is already aware (unless you advise something else).
Where to dig?
Or on a too serious topic swung for the first project? Maybe try to make a single-user one to start with?

Answer 1

For the first project, I recommend making a calculator. And if you want to make such a large and complex system from scratch (besides, for some reason, being a low-junior ...), then you only need many, many years of continuous work, patience and the ability to learn.