Review My Code

Please review this [language] code for:
- [ ] Bugs and logic errors
- [ ] Security vulnerabilities
- [ ] Performance issues
- [ ] Code style and readability
- [ ] Best practices violations

CODE:
[Paste your code]

CONTEXT:
- Purpose: [what it does]
- Part of: [larger system/feature]
- Criticality: [how important is this code]

Be specific about issues and provide corrected code where applicable.