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.
give nth decimal place of pi
03 - Matrix Variables 6
Area of an equilateral triangle
Max of a Vector
Back to basics 23 - Triangular matrix
Back to basics 22 - Rotate a matrix
Back to basics 24 - Symbolic variables
Back to basics 16 - byte order
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