If the input is divisible by 3 as well as 5 then the output should be 'true' otherwise 'false'
Find the sum of the elements in the "second" diagonal
Given a 4x4 matrix, swap the two middle columns
Is this triangle right-angled?
Finding perimeter of a rectangle
find the mean of all elements in a matrix
multiply an array by its position number
modulus of a number
first element of matrix
find a specific element from an matrix
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