Code is not working

I write the same code in jupyter for multiprocessing printing cube and square but output is nothing

Kindly save your code in the given link below and after saving your code share it’s link link with me .

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.