Answered: Using a python code: When creating…

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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Question

Using a python code:

When creating account:

The username and password should be correct. It should also have an authenticator for the pin and if the inputted password or username is wrong show "Invalid entry. Please try again." and if it is still wrong in 3 tries, it'll say "Too many incorrect tries. Exiting program."

Code:

from random import choice

print("1.Carbonara 100php \n2.Fries 80php\n3.Chicken nuggest 150php")

#take the choice of the item

itemChoice = int(input())

#Show the delivery services

print("Choose the delivery services :-\n1.Foodie panda\n2.Food deliver")

#Take the input for the delivery service

deliveryChoice = int(input())

#If the delivery choice is

if(deliveryChoice == 1):

#Check for the item

if(itemChoice == 1):

#calculate discount for the carbonara

Discount = 100*0.01

print("You get discount of :- ",Discount,"php")

print("Discounted price :- ",100-Discount,"php")

#calculate the final price

finalPrice = (100 - Discount)+10

print("Your final price adding the delivery charge is :- ",finalPrice,"php")

elif(itemChoice == 2):

if(itemChoice == 1):

#calculate discount for the fries

Discount = 80*0.01

print("You get discount of :- ",Discount,"php")

print("Discounted price :- ",80-Discount,"php")

#calculate the final price

finalPrice = (80 - Discount)+10

print("Your final price adding the delivery charge is :- ",finalPrice,"php")

elif(choice == 3):

#calculate discount for the nuggets

Discount = 150*0.01

print("You get discount of :- ",Discount,"php")

print("Discounted price :- ",150-Discount,"php")

#calculate the final price

finalPrice = (150 - Discount)+10

print("Your final price adding the delivery charge is :- ",finalPrice,"php")

else:

#If inavlid input show the invalid messages

print("Invalid choice for the item !")

#Calculate same as above for the Food deiver service with 4% discount

elif(deliveryChoice == 2):

#Check for the item

if(itemChoice == 1):

#calculate discount for the carbonara

Discount = 100*0.04

print("You get discount of :- ",Discount,"php")

print("Discounted price :- ",100-Discount,"php")

#calculate the final price

finalPrice = (100 - Discount)+30

print("Your final price adding the delivery charge is :- ",finalPrice,"php")

elif(itemChoice == 2):

if(itemChoice == 1):

#calculate discount for the fries

Discount = 80*0.04

print("You get discount of :- ",Discount,"php")

print("Discounted price :- ",80-Discount,"php")

#calculate the final price

finalPrice = (80 - Discount)+30

print("Your final price adding the delivery charge is :- ",finalPrice,"php")

elif(choice == 3):

#calculate discount for the nuggets

Discount = 150*0.04

print("You get discount of :- ",Discount,"php")

print("Discounted price :- ",150-Discount,"php")

#calculate the final price

finalPrice = (150 - Discount)+30

print("Your final price adding the delivery charge is :- ",finalPrice,"php")

else:

#If inavlid input show the invalid messages

print("Invalid choice for the item !")

else:

#Print invalid choice for the inavlid choice of the service

print("Invalid choice of the service ! ")

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