Add solution for Challenge 2 by 0xSangeet

[0xSangeet]

Challenge 2 Solution

Submitted by: @0xSangeet
Challenge: Challenge 2

Description

This PR contains my solution for Challenge 2.

Changes

• Added solution file to challenge-2/submissions/0xSangeet/solution-template.go

Testing

• Solution passes all test cases
• Code follows Go best practices

Thank you for reviewing my submission! 🚀

[coderabbitai]

Walkthrough

A new Go solution file is added that implements string reversal. It provides an exported ReverseString function that reverses strings by converting to runes and swapping elements using a two-pointer approach, plus a main function that reads input, processes it, and outputs the result.

Changes

Cohort / File(s)	Summary
Challenge 2 String Reversal Solution challenge-2/submissions/0xSangeet/solution-template.go	Adds ReverseString(s string) string function implementing rune-based in-place string reversal using two-pointer technique; adds main function for reading input and printing reversed output

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• PR #1107: Adds the same exported ReverseString(s string) string implementation in a different challenge-2 submission directory with identical rune-based reversal logic.
• PR #596: Introduces the same ReverseString function alongside a main function that reads input and prints the reversed string using identical two-pointer rune-slice reversal.
• PR #1116: Adds an exported ReverseString function with the same rune-based two-pointer reversal logic in a separate challenge-2 submission file.

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change—adding a Challenge 2 solution by a specific contributor.
Description check	✅ Passed	The description is directly related to the changeset, providing context about the Challenge 2 submission and solution file.

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