walrus operator
What it is is:
walrus_operator.py
Seems it would be best to cover the walrus operator later:
https://www.codeconquest.com/blog/python-walrus-operator-uses-and-controversy/
x = 10
if (y := x + 5) > 10:
print("y is greater than 10")
else:
print("y is less than or equal to 10")