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.
Arrange Vector in descending order
Back to basics 13 - Input variables
Angle between two vectors
Back to basics 20 - singleton dimensions
Bottles of beer
Back to basics 16 - byte order
Back to basics 23 - Triangular matrix
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