It create two text file to keep track of your todo list one is todo.txt in which the list of pending todo is kept and the other is done.txt in which the list of completed todo is kept with date so that you can remeber when you marked that todo as done
1.Check add todo in list.
2. Check the list of todo.
3. Marked todo as done.
4. Delete a todo.
5. Generate report of your todo's.