from random import *   #random is a library. we need the randint function from it
   
def Main() : 
    Questions = []  # list of all the  questions
    Answers = []    # list of all the answers 
    setup(Questions, Answers)
    while True :
        target = int(input("How many questions for your quiz game? "))
        if target <= len(Questions) :
            break
        print("Sorry, I only have ", len(Questions), " in my databank")

  #  alternate version:
  #  target = int(input("How many questions for your quiz game? "))
  #  while target > len(Questions) :
  #      print("Sorry, I only have ", len(Questions), " in my databank")
  #      target = int(input("How many questions for your quiz game? "))
        
    score = 0
    numberAsked = 0
    while len(Questions) > 0 :
        qnNum = randint(0, len(Questions)-1)
        correct = askQuestion(Questions[qnNum], Answers[qnNum])
        numberAsked = numberAsked + 1
        if correct == "quit" :
            break
        elif correct :
            score=score+1
        del Questions[qnNum]
        del Answers[qnNum]
    reportScore(score, numberAsked)

def reportScore(sc, numAsked) :
    len(print("Well done!  You got ", sc, " questions right out of ", numAsked))


#asks the user a question, and returns True or False depending on whether they answered correctly.
# If the user answered with 'q', then it should return "quit"
def askQuestion (question, correctAnswer):
    print(question)
    answer = input("your answer: ").lower()
    if answer == "quit" :
        return "quit"
    elif answer == correctAnswer.lower() :
        print("you got it right!")
        return True
    else :
        print("No, that's wrong. The correct answer is ", correctAnswer)
        return False


#  Sets up the lists of questions
def setup(Questions, Answers) : 
    Questions.append("Who is the youngest singer in One Direction?")
    Answers.append("Harry")
    Questions.append("Who is the oldest singer in One Direction?")
    Answers.append("Zack")




Main()