What is the correct name for my_math dan next_prime module name in python?

Question

Here is the screenshot for my_math:
https://ibb.co/5FM8rTD
Credit answered first by r8w9.

here is the screenshot for next_prime:
https://ibb.co/sCzNrhp

I changed next_prime to gmpy
but, i'm getting a message:
"ImportError: cannot import name gmpy"
Here is the screenshot for gmpy:
https://ibb.co/Tr5Vh5H

Answer 1

I guess you want math but not my_math ^^

Answer 2

import math

Answer 3

Hi,
it is a bit confusing.
The module math has no next_prime.
There is a module gmpy I think.
Your Screenshot shows python2. 7.., it is over.

Please provide some more information .