a. Create a list that contains a) a vector of 13 evenly spaced numbers between 3 and 3, b) A 32 matrix filled column wise with strings of your choice, and c) a vector with entries 1/2,3/2, 5/2, and 7/2. Save the list in the variable List.A and display it. {r} b. Use simple R commands to do the following operations on List.A. Make sure any operation you do gets displayed. i. Subset the 3rd and 5 th element of the 1 st vector in List.A. ii. The 2 nd row, 2 nd and 1 st columns (in that order) of the matrix in List.A. iii. The first and 4 th entry of the last vector in List.A, added together. Be sure to show that the addition of list elements worked. ... {r}