save project

snake.py

@@ -24,7 +24,7 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    elif event.type==locals.KEYDOWN
+    elif event.type==locals.KEYDOWN:
         if event.key==locals.K_DOWN and setheading != "up"
             setheading="down"
         if event.key==locals.K_UP and setheading != "down"
@@ -33,7 +33,7 @@ while True:
             setheading="right"
         if event.key==locals.K_LEFT and setheading != "right"
             setheading="left"
-    if setheading == "right"
+
     P.append((x,y))
     P.pop(0)