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.
Finding Perfect Squares
Make one big string out of two smaller strings
Convert a numerical matrix into a cell array of strings
Bottles of beer
Back to basics 15 - classes
Back to basics 8 - Matrix Diagonals
Valid Chess Moves
7 segment LED display
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