print ("Hi, I am bot, Jacqueline, your friendly robot")
command =input ("how can i help? Choose from: add, take away, shopping or average")
if command== "add" or command == "+":

     print(" let's get started")
     users_name=input("what is your name")
     print("Welcome " ,users_name, "to the game")
     input1 = int(input("Number 1> "))
     input2 = int(input("Number 2> "))
     input3 = int(input("Number 3> "))
     result = input1 + input2 +input3
     print( input1, " + " ,input2, "+ ", input3,  " = ", result)

elif command == " take away" or command == "-":
     input1 = int(input("Number 1> "))
     input2 = int(input("Number 2> "))
     input3 = int(input("Number 3> "))
     result = input1 - input2 -input3
     print( input1, " - " ,input2, "- ", input3,  " = ", result)
elif command == "average":
     number=int(input(" How many numbers do you want to calculate the average of?"))
     list=[]

     for i in range(number):
               x=int(input(" what is the number you want to average"))
               list.append(x)
               total =sum(list)
               print (" the running total of your list is ", total)

     print (" At the end of the program your total is ", total)
     average =total/number
     print (" the average of your numbers is ", average)
elif command == "Shopping" or command == "shopping":
     number= int(input(" how many items do you want in your shopping list?"))
     shopping=[]
     cost=[]
     for item_number in range(number):
          item =input(" what is item number "+str(item_number)+"?")
          shopping.append(item)
          price=float(input( " What is the price of " + (item)))
          cost.append(price)
          total =sum(cost)
          average =(total /number)
     if total>10:
          discount = total/10
          new_cost =  total- discount
          new_average =new_cost/number

          print (" Your shopping bill is a total of " , new_cost,  " with a discount of ", discount,  "and the average price of an item was ", average, " pounds and pence")

     else:
          print (" Your final bill, without any discount,  is a total of ", total, " with an average of ", average,  "  and it has  ", len(shopping), ", items in it")

else:
     print ("Sorry i am not sure what to do")