Check if a inputted variable is a number or a string, given a string input (i.e. '1' is 1 and thus a number, 'a' is a string).
Additional test cases have been added.
Back to basics 12 - Input Arguments
Scoring for oriented dominoes
Given a window, how many subsets of a vector sum positive
String Delimination and Outputting
Vector indexing: lower than mean
Matrix element wise multiplication
Find the mean of two vectors
Simple Vector Addition
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