text: print("""
  Welcome to my computer quiz!
  """)
  
  playing = input("Do you want to play? ")
  
  if playing.lower() != "yes":
      quit()
  
  print("Okay! Let's play :)")
  score = 0
  
  answer = input("What does CPU stand for? ")
  if answer.lower() == "central processing unit":
      print('Correct!')
      score += 1
  else:
      print("Incorrect!")
  
  answer = input("What does GPU stand for? ")
  if answer.lower() == "graphics processing unit":
      print('Correct!')
      score += 1
  else:
      print("Incorrect!")
  
  answer = input("What does RAM stand for? ")
  if answer.lower() == "random access memory":
      print('Correct!')
      score += 1
  else:
      print("Incorrect!")
  
  answer = input("What does PSU stand for? ")
  if answer.lower() == "power supply unit":
      print('Correct!')
      score += 1
  else:
      print("Incorrect!")
  
  print("You got " + str(score) + " questions correct!")
  print("You got " + str((score / 4) * 100) + "%.")