(Choose 1 answer)
A teacher has the students' grades stored in an array. The teacher is evaluating the mean of each student's grade and dropping the lowest grade for the year. The array is: grades = np.array([ 100, 30, 77, 20, 99, 100]).What code will produce the mean grade and the lowest grade from the array?
A. grades grades.mean(), min()
B. grades mean(), min()
C. grades grades.mean() and lowest_grade = grades.low()
D. grades grades.mean() and lowest_grade = grades.min()