Whackamole Part 1

#Python 3.4.3 with Pygame
import pygame
import random
pygame.init()
pygame.display.set_caption('Crash!')
pygame.mixer.music.load('Slap.wav')

#variables
window = pygame.display.set_mode((600, 600))
rectplace = pygame.draw.rect(window, (0, 0, 0),(0, 0, 100, 100))
counter = 200000
randx = random.randrange(100, 500)
randy = random.randrange(100, 500)
running = True