Python floor division assignment is done with //=
, the floor division assignment operator.
Example:
>>> x = 18
>>> x //= 5
>>> x
3
Read more about the Python floor division operation
You can’t floor divide and assign to an undefined variable
>>> d //= 3
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'd' is not defined
You can’t floor divide and assign to a literal
>>> 3 //= 3
File "<stdin>", line 1
SyntaxError: can't assign to literal