2.2.1 混乱脚本示例（bad_spider.py）
添加图片注释，不超过 140 字（可选）
，更多细节参见爱思助手下载最新版本
（三）制作、复制、发布、传播或者持有涉及未成年人的淫秽色情信息的；
Failures within the system have been known about, and reported on, for years. The BBC has spent more than a decade speaking to bereaved and harmed families following poor care at Morecambe Bay, Shrewsbury & Telford, East Kent, Nottingham, Leeds and a number of other NHS Trusts, gathering evidence of failing maternity services.。业内人士推荐91视频作为进阶阅读
描述：找出一个连续子数组，若对该子数组升序排序，则整个数组变为升序。返回符合题意的最短子数组长度。，更多细节参见同城约会
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