def menu():
    print "Hello, and welcome to Uplink International. If you already have an\
    account, press 1 to log in, or if you are a new user, press 2 to create an account.\
    Press 0 to exit."
    choice = input('What would you like to do? ')
    print ""
    return choice
menu()
if choice == 0:
    print "Goodbye."
    exit
elif choice == 1:
    print "Please enter your username and password."
    print " "
    username = raw_input('Username: ')
    password = raw_input('Password: ')