Just find the number of columns of the given matrix.
x = [1 2
y = 2
Maby this one needs some more test suites ;)
improve test suit
Maybe more test cases here? ;-)
Finding Perfect Squares
Back to basics 1 - Saving
Back to basics 9 - Indexed References
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Find the area of the four walls
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Find the square of the sum of the digits of a number
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