this application works as a small agenda

• python3
• to run the app in the terminal(python3 main.py)

• shelve.open('database.dat', writeback=True): storage that are working as dictionary

• users identification by its name
• add tasks to your list
• modify your task
• delete your task
• show all your tasks
• add a state to each task (done or not done)
• add a time to each task (HH:MM AM|PM)
• add a date to each task (DD/MM/YY)
• number of day before the day that you will execute your task
• alarm you when the day is arrived