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? ;-)
Remove the air bubbles
Increment a number, given its digits
Rotate a Matrix by 90 degrees
Simple equation: Annual salary
Test Problem; Create a 5x5 array containing all ones
Find the area of the four walls
Reverse a matrix
Find the square of the sum of the digits of a number
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