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? ;-)
Which values occur exactly three times?
Alphabetize by last name
Check if number exists in vector
03 - Matrix Variables 4
Find the area of the four walls
Reverse a matrix
Convert a number to its Roman representation
Concatenate two strings
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