KeyError
Built-in ExceptionPython 2.0+Beginner
Raised when a dictionary key is not found
Quick Info
- Documentation
- Official Docs
- Python Version
- 2.0+
Learn by Difficulty
Quick Example
python
# Triggering and catching KeyError try: d = {}; d["missing"] except KeyError as e: print(f"Caught KeyError: {e}") print(f"Type: {type(e).__name__}")
KeyError is raised when raised when a dictionary key is not found. Always catch specific exceptions rather than bare except clauses.
Try in PlaygroundTags
exceptionerror-handlingcore