It would be beneficial for the problem if zeros were added to test cases, for example [...,1,2,0,-1,-2,...], [...,1,2,3,0,2,3,...], [...1,2,3,0,0,0,1,2,...], [...,1,2,0,0,-1,-2,...], etc.
Additional test cases have been added and the description slightly modified.
Find the numeric mean of the prime numbers in a matrix.
Roll the Dice!
Fill a zeros matrix
Sophie Germain prime
Product of elements in row
Matrix Construction I
Vector to 3-Column Matrix
Change Vector Value
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