save project

snake.py

@@ -42,8 +42,12 @@ while True:
         add = down
         y += 30
     if x==apple_x and y==apple_y:
-        apple_x=random.randint(0,660)
-        apple_y=random.randint(0,480)
+        a=random.randint(0,21)
+        b=random.randint(0,15)
+        apple_x=30*a
+        apple_y=30*b
+    else
+        pop(0)
     screen.blit(background, (0, 0))
     screen.blit(add, (x, y))    
     a12.append((x,y))