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.
Return the largest number that is adjacent to a zero
Sum the 'edge' values of a matrix
Append two matrix as shown below example
Sum of series II
Determine if input is divisible by three.
Vector Element Multiplication
Automatic String Editing
Vector indexing: lower than mean
Matrix Generation from Vector Multiplication
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