入门Pandas不可不知的技巧

<section helvetica="" neue="" pingfang="" sc="" hiragino="" sans="" gb="" microsoft="" yahei="" ui="" arial="" sans-serif="" widows:="" orphans:="" caret-color:="" rgb="" word-spacing:="" px="" overflow-wrap:="" break-word="" important="" style="max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;white-space: normal;letter-spacing: 0.544px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;letter-spacing: 0.544px;text-align: center;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;display: inline-block;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" data-mpa-powered-by="yiban.io" style="padding-right: 10px;padding-left: 10px;max-width: 100%;font-size: 16px;word-break: break-word;text-align: left;line-height: 1.75;color: rgb(89, 89, 89);font-family: Optima-Regular;letter-spacing: 2px;background-size: 20px 20px;background-position: center center;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="max-width: 100%;letter-spacing: 0.544px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section label="Powered by 135editor.com" data-role="outer" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section label="Powered by 135editor.com" data-role="outer" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><pre data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="padding: 3px;max-width: 100%;letter-spacing: 0px;white-space: normal;line-height: 1.6;word-break: break-word;font-family: -apple-system, system-ui, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="padding-right: 10px;padding-left: 10px;max-width: 100%;color: black;line-height: 1.6;letter-spacing: 0px;word-break: break-word;font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, "PingFang SC", Cambria, Cochin, Georgia, Times, "Times New Roman", serif;box-sizing: border-box !important;overflow-wrap: break-word !important;"><pre data-darkmode-bgcolor="rgb(36, 36, 36)" data-style="background-color: rgb(255, 255, 255); color: rgba(230, 230, 230, 0.9); letter-spacing: 0.544px; text-size-adjust: auto; font-size: 16px; text-align: center; word-spacing: 1.6px;" data-darkmode-color="rgba(230, 230, 230, 0.9)" data-darkmode-original-color="rgba(230, 230, 230, 0.9)" data-darkmode-original-bgcolor="rgb(255, 255, 255)" data-darkmode-bgcolor-15862411819306="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15862411819306="rgb(255, 255, 255)" data-darkmode-color-15862411819306="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15862411819306="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15862671987026="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15862671987026="rgb(255, 255, 255)" data-darkmode-color-15862671987026="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15862671987026="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15864118999603="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15864118999603="rgb(255, 255, 255)" data-darkmode-color-15864118999603="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15864118999603="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15864940858736="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15864940858736="rgb(255, 255, 255)" data-darkmode-color-15864940858736="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15864940858736="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15869584691402="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15869584691402="rgb(255, 255, 255)" data-darkmode-color-15869584691402="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15869584691402="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15869584691739="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15869584691739="rgb(255, 255, 255)" data-darkmode-color-15869584691739="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15869584691739="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15873005456075="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15873005456075="rgb(255, 255, 255)" data-darkmode-color-15873005456075="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15873005456075="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15873005456615="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15873005456615="rgb(255, 255, 255)" data-darkmode-color-15873005456615="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15873005456615="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-15886839320558="rgb(36, 36, 36)" data-darkmode-original-bgcolor-15886839320558="rgb(255, 255, 255)" data-darkmode-color-15886839320558="rgba(230, 230, 230, 0.9)" data-darkmode-original-color-15886839320558="rgba(230, 230, 230, 0.9)" data-darkmode-color-159923607914210="rgba(163, 163, 163, 0.9)" data-darkmode-original-color-159923607914210="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-159923607914210="rgb(25, 25, 25)" data-darkmode-original-bgcolor-159923607914210="rgb(255, 255, 255)" data-darkmode-bgcolor-160008070860010="rgb(25, 25, 25)" data-darkmode-original-bgcolor-160008070860010="rgb(255, 255, 255)" data-darkmode-color-160008070860010="rgba(163, 163, 163, 0.9)" data-darkmode-original-color-160008070860010="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-16072664870629="rgb(25, 25, 25)" data-darkmode-original-bgcolor-16072664870629="rgb(255, 255, 255)" data-darkmode-color-16072664870629="rgba(163, 163, 163, 0.9)" data-darkmode-original-color-16072664870629="rgba(230, 230, 230, 0.9)" data-darkmode-bgcolor-16073544711184="rgb(25, 25, 25)" data-darkmode-original-bgcolor-16073544711184="rgb(255, 255, 255)" data-darkmode-color-16073544711184="rgba(163, 163, 163, 0.9)" data-darkmode-original-color-16073544711184="rgba(230, 230, 230, 0.9)" style="max-width: 100%;color: rgb(62, 62, 62);letter-spacing: 0.544px;text-align: center;word-spacing: 1.6px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><p style="max-width: 100%;min-height: 1em;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;text-size-adjust: auto;text-align: left;box-sizing: border-box !important;overflow-wrap: break-word !important;"></p><p style="max-width: 100%;min-height: 1em;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;text-size-adjust: auto;text-align: left;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"  /></p><p style="max-width: 100%;min-height: 1em;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;text-size-adjust: auto;text-align: left;box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;font-size: 15px;color: rgb(2, 30, 170);box-sizing: border-box !important;overflow-wrap: break-word !important;">推荐阅读:</span></strong></p><p style="max-width: 100%;min-height: 1em;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;text-size-adjust: auto;text-align: left;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;font-size: 15px;color: rgb(2, 30, 170);box-sizing: border-box !important;overflow-wrap: break-word !important;">入门: </span><span style="max-width: 100%;color: rgb(2, 30, 170);text-decoration: underline;font-size: 14px;box-sizing: border-box !important;overflow-wrap: break-word !important;">最全的零基础学Python的问题</span><span style="max-width: 100%;font-size: 15px;color: rgb(2, 30, 170);box-sizing: border-box !important;overflow-wrap: break-word !important;">  | </span><span style="max-width: 100%;color: rgb(2, 30, 170);text-decoration: underline;font-size: 14px;box-sizing: border-box !important;overflow-wrap: break-word !important;">零基础学了8个月的Python </span> <span style="max-width: 100%;color: rgb(2, 30, 170);text-decoration: underline;font-size: 15px;box-sizing: border-box !important;overflow-wrap: break-word !important;">|</span> <span style="max-width: 100%;text-decoration: underline;font-size: 14px;box-sizing: border-box !important;overflow-wrap: break-word !important;">实战项目</span> <span style="max-width: 100%;text-decoration: underline;font-size: 14px;box-sizing: border-box !important;overflow-wrap: break-word !important;">|学Python就是这条捷径</span></p><p style="max-width: 100%;min-height: 1em;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;text-size-adjust: auto;text-align: left;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"  /></p><p style="max-width: 100%;min-height: 1em;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;text-size-adjust: auto;text-align: left;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;font-size: 15px;color: rgb(2, 30, 170);box-sizing: border-box !important;overflow-wrap: break-word !important;">干货:</span><span style="max-width: 100%;font-size: 15px;color: rgb(2, 30, 170);text-decoration: underline;box-sizing: border-box !important;overflow-wrap: break-word !important;">爬取豆瓣短评，电影《后来的我们》</span> | <span style="max-width: 100%;font-size: 14px;text-decoration: underline;box-sizing: border-box !important;overflow-wrap: break-word !important;">38年NBA最佳球员分析 </span><span style="max-width: 100%;font-size: 15px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;text-decoration: underline;box-sizing: border-box !important;overflow-wrap: break-word !important;">|</span>   </span><span style="max-width: 100%;font-size: 15px;text-decoration: underline;box-sizing: border-box !important;overflow-wrap: break-word !important;">从万众期待到口碑扑街！唐探3令人失望</span>  | 笑看新倚天屠龙记 | 灯谜答题王 ｜<span style="max-width: 100%;font-size: 14px;text-decoration: underline;box-sizing: border-box !important;overflow-wrap: break-word !important;">用Python做个海量小姐姐素描图 ｜</span></p><p style="max-width: 100%;min-height: 1em;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;text-size-adjust: auto;text-align: left;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"  /></p><p style="max-width: 100%;min-height: 1em;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;text-size-adjust: auto;text-align: left;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;font-size: 15px;color: rgb(2, 30, 170);box-sizing: border-box !important;overflow-wrap: break-word !important;">趣味:</span><span style="max-width: 100%;color: rgb(2, 30, 170);text-decoration: underline;font-size: 14px;box-sizing: border-box !important;overflow-wrap: break-word !important;">弹球游戏</span>  | <span style="max-width: 100%;text-decoration: underline;font-size: 14px;box-sizing: border-box !important;overflow-wrap: break-word !important;">九宫格</span>  | 漂亮的花 | 两百行Python《天天酷跑》游戏!</p><p style="max-width: 100%;min-height: 1em;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;text-size-adjust: auto;text-align: left;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"  /></p><p style="max-width: 100%;min-height: 1em;font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;text-size-adjust: auto;text-align: left;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(2, 30, 170);box-sizing: border-box !important;overflow-wrap: break-word !important;">AI:</span> 会做诗的机器人 | 给图片上色 | 预测收入 | 碟中谍这么火，我用机器学习做个迷你推荐系统电影</p>