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snake.py

@@ -51,7 +51,7 @@ while True:
         y -= 30
         y -= 30
     else:
     else:
         y += 30
         y += 30
-    position.append((x, y))
+    position.append((x,y))
     position.pop(0)
     position.pop(0)
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))