Why it is saying square is not defined ?

Question

Hi guys why this code is saying square is not define right now I am trying in Sololearn and in python apps on smartphone and on both it is saying same
Python code :-
https://code.sololearn.com/cx1X2nUzSciB/?ref=app

Answer 1

There must be a NameError. Python may not recognize foreign things
See this link: https://careerkarma.com/blog/python-nameerror-name-is-not-defined/

Answer 2

Cz they are not python inbuilt functions

Here is how squaring a number is done in python
https://www.includehelp.com/python/calculate-square-of-a-given-number.aspx

Complete this course to know more about ehat functions are and how to create one

https://www.sololearn.com/learn/Python/2285/

Answer 3

Shreyansh [ #yellove ] Thanks I will definitely complete it

Answer 4

Jan Markus Thanks it helps Can you tell me in phone should I have to download python packages for it for these names

Answer 5

Dino Wun Thanks for help