Question: Task 5 - Row Selection (5 points). design/write a function to return the top_n rows of a 2-D matrix in descending order of their sum

Task 5 - Row Selection (5 points). design/write a function to return the top_n rows of a 2-D matrix in descending order of their sum of entries. For example, given matrix array([[ 6, 7, 8, 9, 10, 11]

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