save project

snake.py

@@ -52,7 +52,11 @@ while True:
     else:
         y += 30
     position.append((x, y))\
-    if x 
+    if x apple_x= and y == apple_y
+    num1 =random.randint(1,22)
+    num2 =random.randint(1,16)
+    apple_x = num1*30-30
+    apple_y = num2*30-30
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))