# File:    moWeGroceries.py
# Author:  Dr. Gibson
# Date:    9/28/2016
# Section: N/A
# E-mail:  k.gibson@umbc.edu 
# Description:
#   This file contains python code that asks the user for
#   their grocery items, save it in a list, and prints out
#   the final list at the end.

def main():
    SENTINEL = "STOP"

    groceryList = []
    # unlike print(), input() can't have multiple pieces separate by commas
    # instead, we need to concatenate everything into one string
    item = input("What do you want to buy? ('" + SENTINEL + "' to stop): ")

    while item != SENTINEL:
        groceryList.append(item)
        item = input("What do you want to buy? ('" + SENTINEL + "' to stop): ")

    print("Thank you for entering your groceries, you want to buy:")

    index = 0
    while index < len(groceryList):
        print(groceryList[index])
        index = index + 1          # don't forget to update the loop variable!




main()