Python 3.9 – new way to merge dictionaries

You will be able to use | or |= to create a new dictionary from 2 dictionaries or to update one with the values of another respectively.

Merging Dictionaries – new in Python 3.9!

a | b will merge `b` dictionary into `a` dictionary, if there are conflicts, the rightmost-value will be kept

a |= b will merge `b` into `a` and return the result in `a` (it is also called updating)

Example: 👇 pic.twitter.com/HlrVf8k0vn

— Daily Python Tip 🐍🐧 (@python_tip) October 15, 2020

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