Debugging Methodology Skill

Overview

This skill teaches systematic debugging methodologies using a 4-phase approach to identify and fix bugs.

Principles

• •Systematic Approach: Follow structured methodology
• •Reproduce First: Always reproduce the issue
• •Isolate the Cause: Narrow down the scope
• •Verify the Fix: Test thoroughly after fixing

Key Capabilities

1. 4-Phase Debugging

• •Phase 1: Reproduce
• •Phase 2: Isolate
• •Phase 3: Analyze
• •Phase 4: Fix

2. Debugging Tools

• •pdb (Python debugger)
• •ipdb (enhanced pdb)
• •Logging
• •Print debugging

3. Common Scenarios

• •NoneType errors
• •Index out of range
• •Key errors
• •Type errors

When to Use This Skill

Load this skill when:

• •Debugging failing functions
• •Investigating errors
• •Finding root causes
• •Analyzing stack traces
• •Implementing error handling

Sections

• •4-phase-methodology.md: Reproduce, Isolate, Analyze, Fix
• •debugging-tools.md: pdb, ipdb, logging
• •common-scenarios.md: NoneType, IndexError, KeyError, TypeError
• •error-handling.md: Exception handling best practices