although i'm providing a correct solution with correct answer, it's showing assertion failed for the 1st case. other assertions are ok. help?
The first test case has had a tolerance applied.
Test 1 is problematic. It does not accept the answer like 2.4000, 2.400, or 2.40. It expects exactly 2.4 which is the same. There is something wrong about test 1 format or something. Please update test 1.
Create an n-by-n null matrix and fill with ones certain positions
Swap two numbers
Sum the 'edge' values of a matrix
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