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.
Test for balanced parentheses
Back to basics 26 - Keywords
Return unique values without sorting
Matrix to column conversion
Pull the variable y_correct from the Caller's Workspace
First N Perfect Squares
Return the 'Size' of a String of Code
Television Screen Dimensions
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