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.
Find all elements less than 0 or greater than 10 and replace them with NaN
Who knows the last digit of pi?
Choose the best fitting dominoes
Sum the numbers on the main diagonal
Matlab Basics - y as a function of x
Back to basics 9 - Indexed References
Back to basics 20 - singleton dimensions
Back to basics 12 - Input Arguments
Back to basics 14 - Keywords
Back to basics 7 - Equal NaNs
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