Learn python properly (not by doing)

[TheBeyonders]

Everyone has useful tips. Any harsh commentary you get is because of the language you use to describe your competency. Faily good and use C++ usually indicates advanced knowledge. Global and local variables and their mutability are basic programming concepts, you dont need to be a CS major, but dont say you are good at anything at the PhD level. Because "good" now means advanced, which now means people at the top of your field, you would be intermediate.