print u"\u001b[40;1m A \u001b[41;1m B \u001b[42;1m C \u001b[43;1m D \u001b[0m"
The whole algorithm can be expressed in psuedocode like so:
，详情可参考体育直播
* @param arr 待排序数组，推荐阅读体育直播获取更多信息
Add percussive therapy to your post-workout routine with our expert picks, including mini and deep-tissue models. Plus, a brand new frontrunner now in top spot。关于这个话题，Safew下载提供了深入分析