Too many clues are given in the Solution Template.
Also, Problem Statement is inconsistent with Test Suite (and Solution Template). It should say: "Create a function that subtracts b from a" (not "a from b").
Add two numbers
Back to basics - mean of corner elements of a matrix
Find Out sum of principal diagonal element of given matrix
Convert yards to feet
Distance between Berlin and New York in km
How do you make seven even?
A little bit of luck needed
how to concatenate matrices
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