sing a nested for loop, create the following $12\backslash$times $15$ matrix.

A $=$

$$

$$

$$

$$

$$

$$

$$

$11$

$2$

$1$

$31$

$121$

$15$

$22$

$2$

$2$

$32$

$122$

$15$

$33$

$2$

$3$

$33$

$123$

$15$

$..................$

$1212$

$2$

$12$

$312$

$1212$

$15$

$$

$$

$$

$$

$$

$$

$$

$.$

Note that aij $=$ i$/$j$.$

a$.)$ Assign the matrix above to the variable A$1.$

b$.)$ Assign a copy of A$1$ to the variable A$2.$ Modify the $4$th row of A$2$ to be a row of

zeros.

c$.)$ Use array slicing to assign the submatrix made up of rows $3,4,$ and $5$ and the last

$4$ columns of A$1$ to the variable A$3.$

d$.)$ Assign the row $2$ of A$1$ to the variable A$4.$ Make sure that A$4$ is a $2$D array of

shape $(1,15)$