LookupError

Built-in ExceptionPython 2.0+Intermediate

Base class for lookup errors (KeyError, IndexError)

Quick Info

Documentation
Official Docs
Python Version
2.0+

Learn by Difficulty

Quick Example

python
# Triggering and catching LookupError
try:
    raise LookupError("lookup failed")
except LookupError as e:
    print(f"Caught LookupError: {e}")
    print(f"Type: {type(e).__name__}")

LookupError is raised when base class for lookup errors (keyerror, indexerror). Always catch specific exceptions rather than bare except clauses.

Try in Playground

Tags

exceptionerror-handlingcore