English | MP4 | AVC 1920×1080 | AAC 48KHz 2ch | 0h 10m | 36 MB
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