• Python Version - Python 2.7.6 (default, Oct 26 2016, 20:30:19)

Usage: main2.py [-v] [-h] [-f input.txt]
            -i Insert track list manually.
            -v, --version    Show Program Version.
            -h, --help	     Show help list.
            -f Specify a file to Open.

• You can run this program using two ways to enter input elements:
  • Using -i to enter elements manually
  • Using -f to enter file

Run this command to run unit tests

./run_tests.sh