1.Document-run-your-commands.py

import os
import time
import platform
def mycode(cmd1,cmd2):
	print("Please wait. Cleaning the screen....")
	time.sleep(2)
	os.system(cmd1)
	print("Please wait finding the list of dir and files")
	time.sleep(2)
	os.system(cmd2)
if platform.system()=="Windows":
	mycode("cls","dir")
else:
	mycode('clear','ls -lrt')