Python: How to Avoid KeyError with defaultdict

#Shorts #Python

Python tips and tricks:
If you're tired of getting the KeyError in your Python application or checking if the dictionary contains a key every time, one of the alternatives is to use the defaultdict. There are a few ways to use it but one of them is to pass in a "handler" function, which will be executed if a key is not found in the dictionary and its result will be retrieved as if the key actually did exist!

-------------------------------------------------------------------------------------
Links:
Blog: https://evgenyurubkov.com
Twitter: https://twitter.com/evgenyurubkov
Instagram: https://www.instagram.com/evgenyurubkov/
Youtube: https://www.youtube.com/channel/UCCOjllUE1cOkfQt-wEQdzPA?sub_confirmation=1

Видео Python: How to Avoid KeyError with defaultdict канала codevev