Covering some basic topics I haven't seen elsewhere on Cody.
Return a value equal to the number of input arguments to the function.
what is purpose of prod?
Swap the first and last columns
Find common elements in matrix rows
Back to basics 4 - Search Path
Colon operator of two vectors
Toolbox check part 3
Back to basics 9 - Indexed References
Back to basics 1 - Saving
Back to basics 8 - Matrix Diagonals
Back to basics 17 - white space
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