It looks like we don't actually need to create a magic square for this problem. We just need to figure out what the magic sum would be.
The test suite needs to be improved. It's a good problem, and building an odd magic square is not that hard, but to avoid cheating the function magic should be prohibited and the test suite should require and test the returned matrix.
Back to basics 10 - Max Float
Is it a number?
Change the first and last diagonal element of the identity matrix to zero
prime test 2
Log of a number
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