Python Power Assignment
Python power assignment is done with **=, the power assignment operator.
Example:
>>> x = 2
>>> x **= 3
>>> x
8
Read more about the Python power operator
You can’t do power 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 do power and assign to a literal
>>> 3 **= 3
File "`<stdin>`", line 1
SyntaxError: can't assign to literal