find the first elements of a column matrix
This would be better as "find the nth element of an array." Also, a column matrix doesn't exist. Perhaps you meant column vector, though the variables in your test cases are row vectors.
Sorted highest to lowest?
Equal to their cube
07 - Common functions and indexing 3
Dimensions of a rectangle
find a specific element from an matrix
Calculating selling price
Find the last digit
Find remainder when x is divided by 3
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