save project

snake.py

@@ -56,8 +56,8 @@ while True:
     if x == apple_x and  y == apple_y:
         num1=random.randint(1,22)
         num2=random.randint(1,16)
-        apple_x = random.randint(0,660)
-        apple_y = random.randint(0,480)
+        apple_x = 30*num1-30
+        apple_y = 30*num2-30
     else:
         position.pop(0)
     # 将背景图画上去