Getting the row and column location from a matrix
Is it a number?
Square a Number
Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Find relatively common elements in matrix rows
Remove all the words that end with "ain"
Find the numeric mean of the prime numbers in a matrix.
Return the 3n+1 sequence for n
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