Problem $4\mathrm{.}1$

Create the following arrays and use them in the exercises that follow.

a$)$ Create an array called d from the third column of array a$.$

b$)$ Combine array b and array d to create array e$,$ a two$-$dimensional array with three rows and two columns.

$($c$)$ Combine array b and array d to create array f$,$ a one$-$dimensional array with six rows and one column.

d$)$ Create an array g from array a and the first three elements of array c$,$ with four rows and three columns

e$)$ Create an array h with the first element equal to $,$ the second element equal to $,$ and the third element equal to