Given a number, return the number of closed 'circles' in the base 10 numerical representation.
Note: the number 4 has no circles
8819 -> 5
Interpolating on a string (the ASCII values) is an interesting idea even though the long interpolation string could be reduced by subtracting '0', but at the expense of a "longer" solution.
Omit columns averages from a matrix
Reverse the vector
Get the length of a given vector
Next Higher Power of B
Cache me Outside
Generate N equally spaced intervals between -L and L
Return the Nth Output from an Input Command
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