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.
Check if number exists in vector
Magic is simple (for beginners)
Is it an Armstrong number?
07 - Common functions and indexing 5
Back to basics 10 - Max Float
Back to basics 7 - Equal NaNs
Bottles of beer
Back to basics 20 - singleton dimensions
Back to basics 24 - Symbolic variables
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