make a while loop that if user has an invalid choice of service or food choice for item, the question will repeat until the user gives a valid answer.CODING:#show the menu to the userfrom random import choiceprint("1.Carbonara 100php
2.Fries 80php
3.Chicken nuggest 150php")#take the choice of the itemitemChoice = int(input())#Show the delivery servicesprint("Choose the delivery services :-
1.Foodie panda
2.Food deliver")#Take the input for the delivery servicedeliveryChoice = int(input()) #If the delivery choice isif(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% discountelif(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 ! ")

Question

make a while loop that if user has an invalid choice of service or food choice for item, the question will repeat until the user gives a valid answer.CODING:#show the menu to the userfrom random import choiceprint(&#34;1.Carbonara 100php 
2.Fries 80php
3.Chicken nuggest 150php&#34;)#take the choice of the itemitemChoice = int(input())#Show the delivery servicesprint(&#34;Choose the delivery services :-
1.Foodie panda
2.Food deliver&#34;)#Take the input for the delivery servicedeliveryChoice = int(input()) #If the delivery choice isif(deliveryChoice == 1):    #Check for the item    if(itemChoice == 1):        #calculate discount for the carbonara        Discount = 100*0.01        print(&#34;You get discount of :- &#34;,Discount,&#34;php&#34;)        print(&#34;Discounted price  :- &#34;,100-Discount,&#34;php&#34;)        #calculate the final price        finalPrice = (100 - Discount)+10        print(&#34;Your final price adding the delivery charge is :- &#34;,finalPrice,&#34;php&#34;)    elif(itemChoice == 2):        if(itemChoice == 1):            #calculate discount for the fries            Discount = 80*0.01            print(&#34;You get discount of :- &#34;,Discount,&#34;php&#34;)            print(&#34;Discounted price  :- &#34;,80-Discount,&#34;php&#34;)            #calculate the final price            finalPrice = (80 - Discount)+10            print(&#34;Your final price adding the delivery charge is :- &#34;,finalPrice,&#34;php&#34;)    elif(choice == 3):            #calculate discount for the nuggets            Discount = 150*0.01            print(&#34;You get discount of :- &#34;,Discount,&#34;php&#34;)            print(&#34;Discounted price  :- &#34;,150-Discount,&#34;php&#34;)            #calculate the final price            finalPrice = (150 - Discount)+10            print(&#34;Your final price adding the delivery charge is :- &#34;,finalPrice,&#34;php&#34;)    else:        #If inavlid input show the invalid messages        print(&#34;Invalid choice for the item !&#34;)#Calculate same as above for the Food deiver service with 4% discountelif(deliveryChoice == 2):    #Check for the item    if(itemChoice == 1):        #calculate discount for the carbonara        Discount = 100*0.04        print(&#34;You get discount of :- &#34;,Discount,&#34;php&#34;)        print(&#34;Discounted price  :- &#34;,100-Discount,&#34;php&#34;)        #calculate the final price        finalPrice = (100 - Discount)+30        print(&#34;Your final price adding the delivery charge is :- &#34;,finalPrice,&#34;php&#34;)    elif(itemChoice == 2):        if(itemChoice == 1):            #calculate discount for the fries            Discount = 80*0.04            print(&#34;You get discount of :- &#34;,Discount,&#34;php&#34;)            print(&#34;Discounted price  :- &#34;,80-Discount,&#34;php&#34;)            #calculate the final price            finalPrice = (80 - Discount)+30            print(&#34;Your final price adding the delivery charge is :- &#34;,finalPrice,&#34;php&#34;)    elif(choice == 3):            #calculate discount for the nuggets            Discount = 150*0.04            print(&#34;You get discount of :- &#34;,Discount,&#34;php&#34;)            print(&#34;Discounted price  :- &#34;,150-Discount,&#34;php&#34;)            #calculate the final price            finalPrice = (150 - Discount)+30            print(&#34;Your final price adding the delivery charge is :- &#34;,finalPrice,&#34;php&#34;)    else:        #If inavlid input show the invalid messages        print(&#34;Invalid choice for the item !&#34;)else:    #Print invalid choice for the inavlid choice of the service    print(&#34;Invalid choice of the service ! &#34;)

Accepted Answer

The answer is given in the below steps.