CS 435 C# Program – Simple To-Do List

Purpose: This console application lets the user manage a basic in-memory to-do list. You can add tasks, view all tasks with their completion status, mark tasks as complete, and remove tasks. It demonstrates C# fundamentals: console I/O, Lists, classes, and control flow.

Sample Data Used for Testing:

1. Start the program (no tasks shown).
2. Add three tasks:
   • “Buy groceries”
   • “Finish report”
   • “Call Alice”
3. Mark task #2 complete.
4. Remove task #1.

Expected Console Sequence: === To-Do List === (no tasks yet)

Menu:

1. Add task
2. Mark complete
3. Remove task
4. Exit

[After adding tasks] === To-Do List ===

1. Buy groceries
2. Finish report
3. Call Alice

[After marking #2 complete] === To-Do List ===

1. Buy groceries
2. [✓] Finish report
3. Call Alice

[After removing #1] === To-Do List ===

1. [✓] Finish report
2. Call Alice