Covering some basic topics I haven't seen elsewhere on Cody.
Given an input matrix, generate an output matrix that consists of the input matrix replicated in a 2 by 2 pattern Examples:
 -> [1 1
[1 2 -> [1 2 1 2
3 4] 3 4 3 4
1 2 1 2
3 4 3 4]
Replicate elements in vectors
Equal to their cube
Number of digits in an integer
Convert Fahrenheit to Celsius
Flip the vector from right to left
Back to basics 22 - Rotate a matrix
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Valid Chess Moves
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Back to basics 12 - Input Arguments
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