Python KeyError Exceptions and How to Handle Them – Real Python
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
KeyErrorusually means - Where else you might see a
KeyErrorin the standard library - How to handle a
KeyErrorwhen you see it - When to raise a Python
KeyErrorin your code