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.
Determine whether a vector is monotonically increasing
Program an exclusive OR operation with logical operators
Back to basics 21 - Matrix replicating
Pull the variable y_correct from the Caller's Workspace
Return the Nth Output from an Input Command
ASCII Birthday Cake
Return the first and last character of a string
Read a Soroban Abacus
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