text: import pygame.font
  
  class Button():
  
      def __init__(self, ai_settings, screen, msg):
          """Initialize button attributes."""
          self.screen = screen
          self.screen_rect = screen.get_rect()
          
          # Set the dimensions and properties of the button.
          self.width, self.height = 200, 50
          self.button_color = (255, 215, 0)
          self.text_color = (255, 255, 255)
          self.font = pygame.font.SysFont(None, 48)
          
          # Build the button's rect object, and center it.
          self.rect = pygame.Rect(0, 0, self.width, self.height)
          self.rect.center = self.screen_rect.center
          
          # The button message only needs to be prepped once.
          self.prep_msg(msg)
  
      def prep_msg(self, msg):
          """Turn msg into a rendered image, and center text on the button."""
          self.msg_image = self.font.render(msg, True, self.text_color,
              self.button_color)
          self.msg_image_rect = self.msg_image.get_rect()
          self.msg_image_rect.center = self.rect.center
          
      def draw_button(self):
          # Draw blank button, then draw message.
          self.screen.fill(self.button_color, self.rect)
          self.screen.blit(self.msg_image, self.msg_image_rect)
  