Python KeyError Exceptions and How to Handle Them – Real Python

Python KeyError Exceptions and How to Handle Them

Rich Bibby

Python’s KeyError exception is a common exception encountered by beginners. Knowing why a KeyError can be raised and some solutions to prevent it from stopping your program are essential steps to improving as a Python programmer.

By the end of this course, you’ll know:

  • What a Python KeyError usually means
  • Where else you might see a KeyError in the standard library
  • How to handle a KeyError when you see it
  • When to raise a Python KeyError in your code

Python KeyError Exceptions and How to Handle Them

5 Lessons 10m

Rich Bibby Rich Bibby

Rich is an avid Pythonista and a video instructor at Real Python. He is also a Network Engineer using Python to automate the management of a large network infrastructure. He lives in Dubai, UAE, with his wife and daughter plus a Miniature Schnauzer.

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