Python KeyError Exceptions and How to Handle Them

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

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Python KeyError Exceptions and How to Handle Them

5 Lessons 10m

1. What a Python KeyError Usually Means (03:20)

2. Where You Might See a Python KeyError in the Standard Library (01:23)

3. When to Raise a Python KeyError in Your Code (00:39)

4. How to Handle a Python KeyError (03:57)

5. Python KeyError Exceptions and How to Handle Them: Summary (01:03)

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About 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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Python KeyError Exceptions and How to Handle Them

Python KeyError Exceptions and How to Handle Them

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