[SP_1] [Session 2] Practice Task: C# Fundamentals Part 2 (Loops → Error Handling)

[alyamama21]

##Original Issue Link:
SparkToCode2026/SparkToCode2026_CourseHub#2

📅 Session Info

• Batch: Spark to Code 2026
• Session: Session 2 – C# Fundamentals Part 2
• Topics Covered: for loop, while loop, do-while loop, try-catch (syntax / runtime / logical errors)

🎯 Task

Solve all 10 problems from the attached practice task sheet (PDF) in a single Console Application. Each problem must be written and tested independently before moving to the next.

📎 Task Sheet:

CSharp_Fundamentals_Part2_Practice_Tasks.pdf

⚠️ Scope Reminder

Use ONLY what has been taught so far (Session 1 + Session 2). Do not use foreach, nested loops, arrays/collections, functions/methods other than Main, const/readonly, XML doc comments, object, or classes other than the default Program class.

✅ Deliverables

Easy (4)

• Task 1 – Countdown Timer
• Task 2 – Sum of Numbers 1 to N
• Task 3 – Multiplication Table
• Task 4 – Password Retry

Medium (4)

• Task 5 – Number Guessing Game
• Task 6 – Safe Division Calculator
• Task 7 – Repeating Menu with Exit Option
• Task 8 – Sum of Even Numbers Only

Hard (1)

• Task 9 – Validated Positive Number Input

Advanced (1)

• Task 10 – Simple ATM Simulation

🧪 Self-Check Before Submission

• Code compiles with zero errors and zero warnings
• Every task tested with at least one valid and one invalid/edge-case input
• try-catch tasks tested with a non-numeric input to confirm the catch block actually fires
• Loop-based tasks tested with a boundary value (e.g. N = 1, N = 0)
• Output format matches what's described in each task
• Submitted via GitHub repo

Sprint: Sprint 1 – Session 2
Labels: assignment, sprint-1, csharp-fundamentals, session-2