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    "result": {"data":{"markdownRemark":{"html":"<p>We can test whether string elements of a Series contain a substring using the <del>contains()</del> method.</p>\n<p>The <del>contains()</del> method returns a boolean Series.</p>\n<p>Let’s read the <del>budget.xlsx</del> file into a DataFrame:</p>\n<pre class=\"grvsc-container synthwave-84\" data-language=\"py\" data-index=\"0\"><code class=\"grvsc-code\"><span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"1\"></span><span class=\"grvsc-source\"><span class=\"mtk15\">data </span><span class=\"mtk12\">=</span><span class=\"mtk15\"> pd.</span><span class=\"mtk6\">read_excel</span><span class=\"mtk15\">(</span><span class=\"mtk16\">&quot;budget.xlsx&quot;</span><span class=\"mtk15\">)</span></span></span>\n<span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"2\"></span><span class=\"grvsc-source\"></span></span>\n<span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"3\"></span><span class=\"grvsc-source\"><span class=\"mtk15\">data</span></span></span></code></pre>\n<p><strong>Output:</strong></p>\n<p><span\n      class=\"gatsby-resp-image-wrapper\"\n      style=\"position: relative; display: block; margin-left: auto; margin-right: auto; max-width: 562px; \"\n    >\n      <a\n    class=\"gatsby-resp-image-link\"\n    href=\"/static/2b9cb13ac67334969545b19d9698722a/a4f00/budget.png\"\n    style=\"display: block\"\n    target=\"_blank\"\n    rel=\"noopener\"\n  >\n    <span\n    class=\"gatsby-resp-image-background-image\"\n    style=\"padding-bottom: 59.5%; position: relative; bottom: 0; left: 0; background-image: url('data:image/png;base64,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'); background-size: cover; display: block;\"\n  ></span>\n  <img\n        class=\"gatsby-resp-image-image\"\n        alt=\"Budget\"\n        title=\"Budget\"\n        src=\"/static/2b9cb13ac67334969545b19d9698722a/a4f00/budget.png\"\n        srcset=\"/static/2b9cb13ac67334969545b19d9698722a/56d15/budget.png 200w,\n/static/2b9cb13ac67334969545b19d9698722a/d9f49/budget.png 400w,\n/static/2b9cb13ac67334969545b19d9698722a/a4f00/budget.png 562w\"\n        sizes=\"(max-width: 562px) 100vw, 562px\"\n        style=\"width:100%;height:100%;margin:0;vertical-align:middle;position:absolute;top:0;left:0;\"\n        loading=\"lazy\"\n        decoding=\"async\"\n      />\n  </a>\n    </span></p>\n<p>We want to return all the rows where the string elements in the <del>Profit</del> column contain the string <del>positive</del>.</p>\n<blockquote>\n<p>Note that the substring <del>positive</del> that we are trying to search for in the <del>Profit</del> column might be in different cases. So, we will convert them to lowercase before applying the <del>contains()</del> method.</p>\n</blockquote>\n<pre class=\"grvsc-container synthwave-84\" data-language=\"py\" data-index=\"1\"><code class=\"grvsc-code\"><span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"1\"></span><span class=\"grvsc-source\"><span class=\"mtk15\">condition </span><span class=\"mtk12\">=</span><span class=\"mtk15\"> data[</span><span class=\"mtk16\">&quot;Profit&quot;</span><span class=\"mtk15\">].str.</span><span class=\"mtk6\">lower</span><span class=\"mtk15\">().str.</span><span class=\"mtk6\">contains</span><span class=\"mtk15\">(</span><span class=\"mtk16\">&quot;positive&quot;</span><span class=\"mtk15\">)</span></span></span>\n<span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"2\"></span><span class=\"grvsc-source\"></span></span>\n<span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"3\"></span><span class=\"grvsc-source\"><span class=\"mtk15\">condition</span></span></span></code></pre>\n<p>The <del>contains()</del> method returns a boolean Series.</p>\n<p><strong>Output:</strong></p>\n<p><span\n      class=\"gatsby-resp-image-wrapper\"\n      style=\"position: relative; display: block; margin-left: auto; margin-right: auto; max-width: 285px; \"\n    >\n      <a\n    class=\"gatsby-resp-image-link\"\n    href=\"/static/8571363a1157e7c184346535cf70f71e/115c9/booleanSeries.png\"\n    style=\"display: block\"\n    target=\"_blank\"\n    rel=\"noopener\"\n  >\n    <span\n    class=\"gatsby-resp-image-background-image\"\n    style=\"padding-bottom: 74.5%; position: relative; bottom: 0; left: 0; background-image: url('data:image/png;base64,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'); background-size: cover; display: block;\"\n  ></span>\n  <img\n        class=\"gatsby-resp-image-image\"\n        alt=\"Boolean Series\"\n        title=\"Boolean Series\"\n        src=\"/static/8571363a1157e7c184346535cf70f71e/115c9/booleanSeries.png\"\n        srcset=\"/static/8571363a1157e7c184346535cf70f71e/56d15/booleanSeries.png 200w,\n/static/8571363a1157e7c184346535cf70f71e/115c9/booleanSeries.png 285w\"\n        sizes=\"(max-width: 285px) 100vw, 285px\"\n        style=\"width:100%;height:100%;margin:0;vertical-align:middle;position:absolute;top:0;left:0;\"\n        loading=\"lazy\"\n        decoding=\"async\"\n      />\n  </a>\n    </span></p>\n<p>Next, we pass the <del>condition</del> variable inside square brackets to return the required rows.</p>\n<pre class=\"grvsc-container synthwave-84\" data-language=\"py\" data-index=\"2\"><code class=\"grvsc-code\"><span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"1\"></span><span class=\"grvsc-source\"><span class=\"mtk15\">data[condition]</span></span></span></code></pre>\n<p><strong>Output:</strong></p>\n<p><span\n      class=\"gatsby-resp-image-wrapper\"\n      style=\"position: relative; display: block; margin-left: auto; margin-right: auto; max-width: 529px; \"\n    >\n      <a\n    class=\"gatsby-resp-image-link\"\n    href=\"/static/da0cd12274cfc9f98768c8787e76e7e1/3e20f/rows.png\"\n    style=\"display: block\"\n    target=\"_blank\"\n    rel=\"noopener\"\n  >\n    <span\n    class=\"gatsby-resp-image-background-image\"\n    style=\"padding-bottom: 25.5%; position: relative; bottom: 0; left: 0; background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAFCAIAAADKYVtkAAAACXBIWXMAAA7DAAAOwwHHb6hkAAAA3klEQVQY0zXO7XaDIBBF0bz/+5mKEU2sg+IHIBZkBtEu03T/P3fdW7Sa5vEgOo4TQ4iXPUY6z3N/I0SiSIj7vp//AmJK6XakdB7pSGmapyJnOWNVVReMWbtWFW+apmB5yTnL8/v9yy7WLlapOcuyWenb3xIiam2IqL0AtN8AgnPeCVFyrrS2xtR1bRYjAFjBqrL6Wd0nJiLn3DsG2fWdELNSz9dLKyW6ztglbBsAjNMIbdu8nuXj4f32iWOMdl1DCF3fSymHQRpjWgDvvfNOG715L+WAiItZoLm+Ob/9ArQ1F+Ct1BtaAAAAAElFTkSuQmCC'); background-size: cover; display: block;\"\n  ></span>\n  <img\n        class=\"gatsby-resp-image-image\"\n        alt=\"Rows\"\n        title=\"Rows\"\n        src=\"/static/da0cd12274cfc9f98768c8787e76e7e1/3e20f/rows.png\"\n        srcset=\"/static/da0cd12274cfc9f98768c8787e76e7e1/56d15/rows.png 200w,\n/static/da0cd12274cfc9f98768c8787e76e7e1/d9f49/rows.png 400w,\n/static/da0cd12274cfc9f98768c8787e76e7e1/3e20f/rows.png 529w\"\n        sizes=\"(max-width: 529px) 100vw, 529px\"\n        style=\"width:100%;height:100%;margin:0;vertical-align:middle;position:absolute;top:0;left:0;\"\n        loading=\"lazy\"\n        decoding=\"async\"\n      />\n  </a>\n    </span></p>\n<style class=\"grvsc-styles\">\n  .grvsc-container {\n    overflow: auto;\n    position: relative;\n    -webkit-overflow-scrolling: touch;\n    padding-top: 1rem;\n    padding-top: var(--grvsc-padding-top, var(--grvsc-padding-v, 1rem));\n    padding-bottom: 1rem;\n    padding-bottom: var(--grvsc-padding-bottom, var(--grvsc-padding-v, 1rem));\n    border-radius: 8px;\n    border-radius: var(--grvsc-border-radius, 8px);\n    font-feature-settings: normal;\n    line-height: 1.4;\n  }\n  \n  .grvsc-code {\n    display: table;\n  }\n  \n  .grvsc-line {\n    display: table-row;\n    box-sizing: border-box;\n    width: 100%;\n    position: relative;\n  }\n  \n  .grvsc-line > * {\n    position: relative;\n  }\n  \n  .grvsc-gutter-pad {\n    display: table-cell;\n    padding-left: 0.75rem;\n    padding-left: calc(var(--grvsc-padding-left, var(--grvsc-padding-h, 1.5rem)) / 2);\n  }\n  \n  .grvsc-gutter {\n    display: table-cell;\n    -webkit-user-select: none;\n    -moz-user-select: none;\n    user-select: none;\n  }\n  \n  .grvsc-gutter::before {\n    content: attr(data-content);\n  }\n  \n  .grvsc-source {\n    display: table-cell;\n    padding-left: 1.5rem;\n    padding-left: var(--grvsc-padding-left, var(--grvsc-padding-h, 1.5rem));\n    padding-right: 1.5rem;\n    padding-right: var(--grvsc-padding-right, var(--grvsc-padding-h, 1.5rem));\n  }\n  \n  .grvsc-source:empty::after {\n    content: ' ';\n    -webkit-user-select: none;\n    -moz-user-select: none;\n    user-select: none;\n  }\n  \n  .grvsc-gutter + .grvsc-source {\n    padding-left: 0.75rem;\n    padding-left: calc(var(--grvsc-padding-left, var(--grvsc-padding-h, 1.5rem)) / 2);\n  }\n  \n  /* Line transformer styles */\n  \n  .grvsc-has-line-highlighting > .grvsc-code > .grvsc-line::before {\n    content: ' ';\n    position: absolute;\n    width: 100%;\n  }\n  \n  .grvsc-line-diff-add::before {\n    background-color: var(--grvsc-line-diff-add-background-color, rgba(0, 255, 60, 0.2));\n  }\n  \n  .grvsc-line-diff-del::before {\n    background-color: var(--grvsc-line-diff-del-background-color, rgba(255, 0, 20, 0.2));\n  }\n  \n  .grvsc-line-number {\n    padding: 0 2px;\n    text-align: right;\n    opacity: 0.7;\n  }\n  \n  .synthwave-84 { background-color: #262335; }\n  .synthwave-84 .mtk15 { color: #FF7EDBFF; }\n  .synthwave-84 .mtk12 { color: #FFFFFFEE; }\n  .synthwave-84 .mtk6 { color: #36F9F6; }\n  .synthwave-84 .mtk16 { color: #FF8B39; }\n  .synthwave-84 .grvsc-line-highlighted::before {\n    background-color: var(--grvsc-line-highlighted-background-color, rgba(255, 255, 255, 0.1));\n    box-shadow: inset var(--grvsc-line-highlighted-border-width, 4px) 0 0 0 var(--grvsc-line-highlighted-border-color, rgba(255, 255, 255, 0.5));\n  }\n</style>","frontmatter":{"title":"Pandas Series - Filtering With String Methods","date":"2021-08-13"}}},"pageContext":{"slug":"/pandas-series-filtering-with-string-methods/","prev":{"fields":{"slug":"/pandas-common-string-methods/"},"frontmatter":{"modules":null}},"next":{"fields":{"slug":"/pandas-groupby-method/"},"frontmatter":{"modules":null}}}},
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