save project

snake.py

@@ -53,9 +53,11 @@ while True:
         num2=random.randint(1,16)
         apple_x=30*num1-30
         apple_y=30*num2-30
-        score+=2
+        score+=5
     else:
         position.pop(0)
+    if x < 0 or x > 630 or y < 0 or y > 450:   
+        exit() 
     screen.blit(background,(0,0))
     screen.blit(snake_head,position[-1])
     screen.blit(right,(x,y))