Been stuck for about an hour trying to get my selection 4 if statement to run correctly

Question

Trying to figure out why I can't get matmul to work correctly. I can only get it to print out one value when I want it to produce a 3x3 matrix.

https://code.sololearn.com/c92hNK3U6BiR

Answer 1

You need to tell us how to use your code. You don't have any comments. Remember that comments are important. They are code for humans.