a) Show a Numpy Program to (i) create a 44 matrix with values ranging from 1 to 16 . [3 marks] (ii) create a null vector of size 10 and update the seventh value to 10. [6 marks] (iii) get the number of nonzero elements in an array and the output should be the same as follows: Original array: [ 0 10 20] [20 3040]] Number of nonzero elements in the above array