Duke

Features:
Message in round brackets are explanations, no need to type in when using Duke.
Use the # symbol to indicate the number

1. add todo, deadline, and event task
2. do or undo task
3. delete, find, group, restore, and list tasks
4. clear task list
5. print help list
6. exit Duke

Duke

• Three types of tasks: todo, deadline, event
• Three main functions: done, delete, list