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yes, why not?

No idea, I'm new to programming, I know basic language and was wondering where to start if I wanted to make an app for steemit. I like to know what I'm working with before I start to learn.

if you go with tkinter, your app is most likely going to be a desktop app (win, linux, mac). have that in mind. if you want to build something web based and you'd like to do it in python you'd probably go with django, flask and similar libraries. or you could use web friendly languages like javascript. however, first start with the basics of the programming language you choose .