# File:    groceries_v2.py
# Author:  Dr. Gibson
# Date:    2/13/2017
# Section: N/A
# E-mail:  k.gibson@umbc.edu 
# Description:
#   This file contains python code that allows the user
#   to create a grocery list, using "STOP" to quit

def main():

    print("Welcome to the Grocery Manager 2.0")

    # initialize the grocery list to be empty
    groceries = []

    # PRIMING READ (tell the user the sentinel value)
    item = input("Please enter an item, or 'STOP' to stop: ")

    # continue until the user chooses to stop
    while item != "STOP":
        # store item in groceries, then ask for another
        groceries.append(item)
        item = input("Please enter an item, or 'STOP' to stop: ")

    # use a second while loop to print out all of the
    # groceries, with each item on a separate line
    count = 0
    while count < len(groceries):
        # use the variable 'count' to index into the groceries list
        print(groceries[count])
        count += 1


main()