using self-developed modules

[snippsat]

Use Code tag.
Look at this post,where i show use of site.

---

Looking at from outside it work like this.
Python find modules/packages(also .py files) in sys.path

>>> import sys 
>>> 
>>> sys.path

OS find Python bye looking in Environment Variables Path.

3)... should work for you if Python is in your Windows Path.
I explain more in here Python 3.6 and pip installation under Windows.
Also i not so happy with default install path C:\Users\actname\AppData\Local\Programs\Python\Python37-32\Lib,look at link over if want to change.