save project

snake.py

@@ -55,10 +55,10 @@ while True:
         y += 30
     position.append((x, y))
     if x==apple-x and y==apple-y:
-        num1=random.randin(1,22)
-        num2=random.randin(1,16)
-        apple-x=num1*30-30
-        apple-y=num2*30-30
+        apple-x=random.randin(0,660)
+        apple-y=random.randin(0,440)
+
+
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))