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.
Swap the first and last columns
Get the length of a given vector
Sum of series I
Sum of series III
Find the mean of two vectors
Automatic String Editing
Vector Element Multiplication
Find the index of the lowest number in a matrix
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