{
  "id": "code-python-002",
  "skill": "n8n-code-python",
  "name": "Dictionary KeyError - Use .get() Instead",
  "description": "Tests understanding of safe dictionary access with .get()",
  "query": "My Python Code node is failing with this error:\n\n```\nKeyError: 'email'\n```\n\nHere's my code:\n\n```python\nitem = _input.first()[\"json\"]\n\nname = item[\"name\"]\nemail = item[\"email\"]\nage = item[\"age\"]\n\nreturn [{\n    \"json\": {\n        \"name\": name,\n        \"email\": email,\n        \"age\": age\n    }\n}]\n```\n\nHow do I fix this?",
  "expected_behavior": [
    "Identify KeyError is from direct dictionary key access",
    "Explain that some items may not have 'email' field",
    "Recommend using .get() method with default values",
    "Show corrected code with .get()",
    "Mention this is Error #3 in ERROR_PATTERNS.md",
    "Explain difference between item['key'] and item.get('key', default)"
  ],
  "expected_output_includes": [
    "KeyError",
    ".get()",
    "default value",
    "item.get(\"email\", \"default\")"
  ],
  "should_not_include": [
    "try/except KeyError",
    "if 'email' in item"
  ],
  "correct_code_pattern": "item.get(\"email\", "
}