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# The function is expected to return a STRING. # The function accepts 2D_INTEGER_ARRAY matrix as parameter. # Input: [[1,2,3],[4,5,6],[7,8,9]] # output: [1,2,3,4,5,6 ...
#matrices are very useful in data science. matrix = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] # this is a 2d list or matrice: each element in the list is another list ...
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