title: how to add a stopwatch to pygame?
body: <p>I am making a game about falling circles and the player, which is basically a square, has to avoid them. The code is almost done but I have a problem with how to add a stopwatch to the game on the window? I have no idea where to put this type of code can anyone help me? I have all of the code done except for the stopwatch.</p>
  
  <pre><code>import pygame
  from pygame.locals import *
  import os
  import random
  import math
  import sys
  import time
  
  white = (255,255,255)
  blue = (0,0,255)
  gravity = 10
  size =10
  height = 500
  width =600
  varHeigth = height
  ballNum = 5
  eBall = []
  
  apGame = pygame.display.set_mode((width, height))
  pygame.display.set_caption("AP Project")
  
  clock = pygame.time.Clock()
  
  class Player(object):
  
    def __init__(self):
      red = (255, 0, 0)
      move_x = 300
      move_y = 400
      self.rect = pygame.draw.rect(apGame,red, (move_x, move_y, 10, 10))
      self.dist = 10
  
    def handle_keys(self):
      for e in pygame.event.get():
        if e.type == pygame.QUIT:
          pygame.quit();
          exit()
      key = pygame.key.get_pressed()
      if key[pygame.K_LEFT]:
        self.draw_rect(-1, 0)
      elif key[pygame.K_RIGHT]:
        self.draw_rect(1, 0)
      elif key[pygame.K_ESCAPE]:
        pygame.quit();
        exit()
      else:
        self.draw_rect(0, 0)
  
    def draw_rect(self, x, y):
      red = (255, 0, 0)
      black = (0, 0, 0)
      '''apGame.fill(black)'''
      self.rect = self.rect.move(x * self.dist, y * self.dist);
      pygame.draw.rect(apGame, red , self.rect)
      pygame.display.update()
  
  
    def draw(self,surface):
      red = (255, 0, 0)
      move_x = 300
      move_y = 400
      pygame.draw.rect(apGame, red, (move_x, move_y, 10, 10))
  
  def show_go_screen():
    pygame.font.init()
    myfont = pygame.font.SysFont("Comic Sans MS", 30)
    label = myfont.render("Game Over", 1, red)
    apGame.blit(label, (300,100))
  
  
  def instuct():
    pygame.font.init()
    myfont = pygame.font.SysFont("Comic Sans MS", 15)
    label = myfont.render("Avoid The Circles", 1, red)
    apGame.blit(label, (250,450))
  
  
  move_x = 300
  move_y = 400
  red = (255, 0, 0)
  black = (0, 0, 0)
  player = Player()
  clock = pygame.time.Clock()
  '''apGame.fill(black)'''
  player.draw(apGame)
  pygame.display.update()
  
  for q in range(ballNum):
    x = random.randrange(0, width)
    y = random.randrange(0, varHeigth)
    eBall.append([x, y])
  
  while True:
  
    apGame.fill(black)
  
  
    for i in range(len(eBall)):
  
      ball_rect = pygame.draw.circle(apGame, blue, eBall[i], size)
  
      if player.rect.colliderect(ball_rect):
        show_go_screen()
        break
  
  
      eBall[i][1] += 5
  
      if eBall[i][1] &gt; height:
  
          y = random.randrange(-50, -10)
          eBall[i][1] = y
  
          x = random.randrange(0, width)
          eBall[i][0] = x
  
  
  
    instuct()
    player.handle_keys()
    pygame.display.flip()
    clock.tick(30)
  </code></pre>