[WIP] Implement Robust String Reversal Utility with Comprehensive Testing

[labrocadabro]

Implement Robust String Reversal Utility with Comprehensive Testing

Description

Summary of Work

This pull request introduces a robust string reversal utility with extensive test coverage. The implementation provides a flexible and comprehensive solution for reversing strings across various scenarios.

Key Features:

• Manual character-by-character string reversal
• Robust type checking
• Support for:
  • Empty strings
  • Strings with spaces
  • Special characters
  • Unicode characters
  • Mixed character types

The implementation includes thorough unit tests that validate the function's behavior under different input conditions, including error handling for invalid input types.

Changes Made

1. Added reverse_string() function in src/string_utils.py:

   • Implements manual string reversal using list manipulation
   • Adds type checking to prevent invalid inputs
   • Supports various string types and characters

2. Created comprehensive test suite in tests/test_string_utils.py:

   • Basic string reversal tests
   • Empty string test
   • Strings with spaces
   • Special characters
   • Unicode character support
   • Mixed character type reversal
   • Invalid input type error handling

Tests and Verification

Verification Steps:

• Ran full test suite covering multiple test cases
• Validated function correctness for different input types
• Confirmed proper error handling for invalid inputs
• Ensured no unexpected side effects or performance issues

Test Coverage:

• 100% code coverage for reverse_string() function
• Tested edge cases and typical use scenarios
• Verified type safety and error handling

PRs Merged

The following pull requests have been merged:

Signatures

Staking Key

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Public Key

CcFDePpTczeCbUyUP5gKCP1eXHJVrfG2GBpMYYMjvaHL: 221omXCiNDCVGvoRqQ4UATexBhuH4kTRMVe6ZBeVvGfkJFbiqRyfrEqR7jEh6p1oox6dXkoS18UYJS1KibR8kgfc8Qm2go3oW25x7LBYJZheHy7herNFnapAimzQRDZDb6DdJG111by2refKqBJiRyURr4kXqjKBzCFxFEox9wL9N8F91SfvSrvz7pZvRExkjLcoto5f9GhnTtpBCRgV8MsRzAP9nasCTAidkMfMQQYCWsEtZMfDJnqpHxcdYbVCKHkzBJELrtFHCpDa6ytX8ePepusDUrr3S42qihefdPfQpHgLwfdaJWSbXFzKsJZNrs75CPFhY4xaqLLdtqTZRcdQkqQ58NkNHyHqkzR7e2XdxpSoFjF9NXyCZCGckC