Use NumPy random-number generation to create an array of 60 random grades in the range of 60 through 100, then reshape the result into a 20-by-3 array (which will actually represent the grade 1, grade 2 and Final grade of 20 students) e) Change any score <70 to 70 and Calculate the average of the grades in Midterm1 and Final only for every alternate students only.