Is it possible to import 2 files with a single code? or how to import all the files from a single directory?

Question

It is possible to choose the exact file within a directory where there are several files? Basically, I want to see the inside of a directory and then import a file (* .stl)

Answer 1

You can use glob to get a list of files matching a pattern.

import glob
stl_files = glob.glob('*.stl')

If you can expect more than one stl file in a directory you can loop through the file list and import each file, similar to this answer.