how to link a file in repl to the main file python code example

Example 1: run a lua file other than main in repl

#create a file named .replit and type code in the following format

language = "< preferred language>" 
run = "name of file to run"

Example 2: run a file other than main in repl

#main.py
import os
os.system('python3 <filename>.py')