ToDoList

1. To Do List have 5 periods of time, so you can add your task in that period, during which you want to handle it task.
2. There is a filter in periods of time.
3. You can add new task in one of 5 periods.
4. You can check task if you done it and want to see results without deleting.
5. You also can delete task.
6. You can sort task in their difficulty.
7. Simple design