Covering some basic topics I haven't seen elsewhere on Cody.
Return the number of punctuation characters in the input variable.
Trouble in the test suite :)
I think the problem is with Cody itself today. It's doing weird things. If you submit this solution again it fails.
Renaming a field in a structure array
Back to basics 9 - Indexed References
select the primes of a vector
find the maximum element of the matrix
Bottles of beer
Valid Chess Moves
Back to basics 2 - Function Path
Back to basics 8 - Matrix Diagonals
Back to basics 26 - Keywords
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