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.
Maximum running product for a string of numbers
matrix of natural number
Is it a number?
Calculate the derivative of a polynomial
Compute Fibonacci Number
Back to basics 22 - Rotate a matrix
Back to basics 13 - Input variables
Back to basics 4 - Search Path
Back to basics 6 - Column Vector
Back to basics 10 - Max Float
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