import numpy as np arr=nparray([[[[1,2],[3,4]],[[5,6],[7,8]]],[[[9,10],[11,12]],[[13,14],[15,16]]]]) print(arr) What is the dimension of the array arr? What is the size of the array arr? How can you change the dimension of the array arr to 2 ? How can you change the dimension the array arr to 1