title: Press multiple keys at once to get my character to move diagonally
body: <p>The problem I'm having is that I'm trying to make my character move diagonally on screen when a user presses either the K_UP key and K_RIGHT key or the K_UP key and K_DOWN key, etc. Here is my code for character movement (event handling): </p>
  
  <pre><code>1. #Event Handling
  2. for event in pygame.event.get():
  3.     if event.type == pygame.QUIT: 
  4.         sys.exit()
  5.     elif (event.type == KEYDOWN):
  6.         if ((event.key == K_ESCAPE)
  7.             or (event.key == K_q)):
  8.             sys.exit()
  9.         if (event.key == K_UP):
  10.            self.char_y = self.char_y - 10
  11.        if (event.key == K_DOWN):
  12.            self.char_y = self.char_y + 10
  13.        if (event.key == K_RIGHT):
  14.            self.char_x = self.char_x + 10
  15.        if (event.key == K_LEFT):
  16.            self.char_x = self.char_x - 10
  </code></pre>