differences to store the difference between reward1[i] and reward2[i] along with the index i.reward1 and reward2 arrays and append the difference and index as a tuple to differences.differences in descending order based on the difference.total_points to 0.k elements of the sorted differences list and add reward1[i] to total_points for each element.differences and add reward2[i] to total_points for each element.total_points as the maximum points the mice can achieve.