save project

snake.py

@@ -42,7 +42,7 @@ while True:
             if event.key == locals.K_DOWN and snake_head != up:
             if event.key == locals.K_DOWN and snake_head != up:
                 snake_head = down
                 snake_head = down
             if event.key == locals.K_c and snake_head != up:
             if event.key == locals.K_c and snake_head != up:
-                ticktime=+=10
+                ticktime+=10
 
 
     # 设置贪吃蛇的头部坐标
     # 设置贪吃蛇的头部坐标
     if snake_head == right:
     if snake_head == right: