Open document with default OS application in Python, both in Windows and Mac OS

Question

I need to be able to open a document using its default application in Windows and Mac OS. Basically, I want to do the same thing that happens when you double-click on the do

Answer 1

on mac os you can call 'open'

import os
os.popen("open myfile.txt")

this would open the file with TextEdit, or whatever app is set as default for this filetype