To be able to run the application from anywhere on you pc, do the following.

0- Ensure shebang line is acurate 1- Create a new folder (Scripts) under the user's home directory 2- Place all code files and pickle inside it 3- Create a .txt file with the following content: @echo off python "%~dp0todo.py" %* 4- Rename it todo.bat and place it in the new Scripts folder 5- Add folder to PATH using environment variables 6- Run application from anywhere as this format: - todo --add "Task" - todo --report - etc.