# Code for Dr. Wilson's section of CMSC 201

import random

QUIT1="quit"
QUIT2="exit"
MIN_PIN = 0000
MAX_PIN = 9999

def main():

    random.seed()

    passes={}

    userChoice = input("Enter a username or choose " + QUIT1 + " or " \
                       + QUIT2 + " to quit. ")

    while userChoice != QUIT1 and userChoice != QUIT2:
        if userChoice in passes:
            print("The PIN for ", userChoice, " is ", passes[userChoice])

        else:
            newPin = random.randrange(MIN_PIN,MAX_PIN+1,1)
            passes[userChoice] = newPin
            print("The PIN for the new user ", userChoice, \
                  " is ", passes[userChoice])


        userChoice = input("Enter a username or choose " + QUIT1 + \
                           " or " + QUIT2 +" to quit. ")

    print("The dictionary contains these values ", passes)

main()