# How to catch LookupError Exception in Python?

PythonServer Side ProgrammingProgramming

LookupError Exception is the Base class for errors raised when something can’t be found. The base class for the exceptions that are raised when a key or index used on a mapping or sequence is invalid: IndexError, KeyError.

An IndexError is raised when a sequence reference is out of range.

The given code is rewritten as follows to catch the exception and find its type

## Example

import sys
try:
foo = [a, s, d, f, g]
print foo[5]
except IndexError as e:
print e
print sys.exc_type

## Output

C:/Users/TutorialsPoint1~.py
list index out of range
<type 'exceptions.IndexError'>

Published on 06-Dec-2017 12:56:29