Additional test cases have been added.
surface of a spherical planet
Is my wife right? Now with even more wrong husband
Return the first and last characters of a character array
Determine the length of a string of characters
Matlab Basics II - Log and natural log
Find the sum of the largest two elements in a vector
More Simple String Concatenation
Simple String Concatenation
Replace 0 indices in array with 1's
Vector indexing: lower than mean
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