$11\mathrm{.}25$ LAB$*$: Program: Online shopping cart $($Part $2)$

This program extends the earlier "Online shopping cart" program. $($Consider first saving your earlier program$).$

$(1)$ Extend the ItemToPurchase class to contain a new attribute. $(2$ pts$)$

item$\_$description $($string$)-$ Set to "none" in default constructor

Implement the following method for the ItemToPurchase class.

print$\_$item$\_$description$(-$ Prints item$\_$description attribute for an ItemToPurchase object. Has an ItemToPurchase parameter.

Ex$.$ of print$\_$item$\_$description$()$ output:

Bottled Water: Deer Park, $12$ oz$.$