The+Till

Specification
Write a program which allows the user input a series of items to a till receipt. The price of each item should be added to a running total, and the process should continue until the user enters the letter "Q" (for quit).

Design
Inputs: Item price (or quit) Process: Add price to running total Output: Display total

A running total: Total The price of each item: ItemPrice
 * Variables**

1. Initialise variables 1.1 Set total to 0
 * Algorithm**

2.1 Ask the user for the item price 2.2 Set the variable item price to the answer
 * 2. Get the first item**

3.1 Repeat until item price is "Q" 3.2 Add item price to total 3.3 Ask the user for the next item price 3.4 Set the variable item price to the answer 3.5 End Repeat
 * 3. Get more items / update total**


 * 4. Display total**

Testing
Test the program to ensure that it meets the specification

Extension
Change the program so that it continues to add the numbers until the total goes above £100.