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.
radius of a spherical planet
What's Your BMI?
Sum the elements in either diagonal of a square matrix
Find the nearest integer
Back to basics 25 - Valid variable names
Back to basics 18 - justification
Back to basics 6 - Column Vector
Back to basics 14 - Keywords
Back to basics 22 - Rotate a matrix
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