help, I need answers for my assignment Problem 2 (Using the menu and printing an invoice)Write a program called a2_p2.py where you will modify your code from Problem 1 so thatcustomers can select products from the menu. Copy your solution from the previous part intothe new file (a2_p2.py). Do not overwrite your previous solution, as the TAs will want to seethem both.The user should make their selection by entering the corresponding number. It is possible that theuser will enter any type of data, including text, floating point numbers, negative numbers,etc.. Invalid selections should be handled with a suitable error messages and the menu shouldbe repeated (see sample outputs below). Once the customer has selected a product, the programshould ask how many of that product the customer would like. Your program must make sure thatselected products are available in stock, otherwise it should generate error messages and the menushould be repeated. After every valid selection current total should be printed and the stock shouldbe updated (see sample outputs below).Following this, the program will ask whether the user wants to continue and see the invoice, orcancel the transaction. If user wants to continue it should provide the user with their receipts(subtotal, tax (13% of the subtotal) and the total cost of the order). Otherwise it should print amessage and terminates (see sample outputs below).Sample output - 1:. it will first print the similar content as shown in the previous part and then==========:=========Please select the item you wantto buy from the following menu:1. Cake (each $2.00), 10 in stock2. Hat (each $3.00), 7 in stock3. Bunny (each $8.00), 3 in stockPress 4 when you are done!=============== ====> 5Sorry, 5 is not a valid choice! Please select from the menu.==========:=========Please select the item you wantto buy from the following menu:1. Cake (each $2.00), 10 in stock2. Hat (each $3.00), 7 in stock3. Bunny (each $8.00), 3 in stock Press 4 when you are done!> 3No more Bunny in stock. Try something else.====== ==============> 1How many Cake do you want? 10 in stock: 12Not enough Cake in stock. Try a lower number.How many Cake do you want? 10 in stock: -4You cannot buy -4 Cake. You must enter a valid number.How many Cake do you want? 10 in stock: 6Your current total is: $12.00Please select the item you wantto buy from the following menu:1. Cake (each $2.00), 4 in stock2. Hat (each $3.00), 2 in stock3. Bunny (each $8.00), 0 in stockPress 4 when you are done!============================================================Please select the item you wantto buy from the following menu:> 1How many Cake do you want? 4 in stock: 1Your current total is: $53.001. Cake (each $2.00), 4 in stock2. Hat (each $3.00), 7 in stock3. Bunny (each $8.00), 3 in stockPress 4 when you are done!Please select the item you wantto buy from the following menu:============:============ ==1. Cake (each $2.00), 3 in stock2. Hat (each $3.00), 2 in stock3. Bunny (each $8.00), 0 in stock> 2How many Hat do you want? 7 in stock: 5Your current total is: $27.00Press 4 when you are done!=========================!==========Please select the item you wantto buy from the following menu:> 41. Cake (each $2.00), 4 in stock2. Hat (each $3.00), 2 in stock3. Bunny (each $8.00), 3 in stockDo you want to continue and see the invoice (i) or cancel the transaction (c)?> iPress 4 when you are done!Your invoice is here!=====================> 3$53.00$6.89Subtotal:How many Bunny do you want? 3 in stock: 3Your current total is: $51.00Таx:Total:$59.89=============:====Please select the item you wantto buy from the following menu:Sample output – 2 (if 'c' was selected):1. Cake (each $2.00), 4 in stock2. Hat (each $3.00), 2 in stock3. Bunny (each $8.00), 0 in stockDo you want to continue and see the invoice (i) or cancel the transaction (c)?Your transaction has been cancelled. Thank you for trying!Press 4 when you are done!==== ==D==

We have defined global variables so that we can access them anywhere in the code. These global…

The user should make their selection by entering the corresponding number. It is possible that the user will enter any type of data, including text, floating point numbers, negative numbers, etc.. Invalid selections should be handled with a suitable error messages and the menu should be repeated (see sample outputs below). Once the customer has selected a product, the program should ask how many of that product the customer would like. Your program must make sure that selected products are available in stock, otherwise it should generate error messages and the menu should be repeated. After every valid selection current total should be printed and the stock should be updated (see sample outputs below). Following this, the program will ask whether the user wants to continue and see the invoice, or cancel the transaction. If user wants to continue it should provide the user with their receipts (subtotal, tax (13% of the subtotal) and the total cost of the order). Otherwise it should print a message and terminates (see sample outputs below).

The user should make their selection by entering the corresponding number. It is possible that the user will enter any type of data, including text, floating point numbers, negative numbers, etc.. Invalid selections should be handled with a suitable error messages and the menu should be repeated (see sample outputs below). Once the customer has selected a product, the program should ask how many of that product the customer would like. Your program must make sure that selected products are available in stock, otherwise it should generate error messages and the menu should be repeated. After every valid selection current total should be printed and the stock should be updated (see sample outputs below). Following this, the program will ask whether the user wants to continue and see the invoice, or cancel the transaction. If user wants to continue it should provide the user with their receipts (subtotal, tax (13% of the subtotal) and the total cost of the order). Otherwise it should print a message and terminates (see sample outputs below).

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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