Python · Dictionaries

dict merge operator

Creates a new dictionary with the right side winning on duplicate keys.

pythonRunnable example python course

Syntax

a | b

Example

Open in the lab

a = {"x": 1, "y": 2}
b = {"y": 3}
print(a | b)

Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.