Add two numbers
middleAsColumn: Return all but first and last element as a column vector
Determine the number of odd integers in a vector
Given a 4x4 matrix, swap the two middle columns
Sum of the Matrix Elements
Reverse Run-Length Encoder
Finding Perfect Squares
Alphabetize by last name
Find all elements less than 0 or greater than 10 and replace them with NaN
Find the longest sequence of 1's in a binary sequence.
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