Find vecor x.
Back to basics 3 - Temp Directory
construct matrix with identical rows
Beginner's Problem - Squaring
Volume of a box
Square root of a number
Find the product of the positive elements above the main diagonal.
Return ! if array element starts with a certain letter. Otherwise return ?
Create cotangent function out of sine.
Return the length of the longest word in the string.
Return the amount of palindromes (words) in the string.
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