{"id":979542,"date":"2024-12-27T06:47:21","date_gmt":"2024-12-26T22:47:21","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/979542.html"},"modified":"2024-12-27T06:47:24","modified_gmt":"2024-12-26T22:47:24","slug":"python%e5%a6%82%e4%bd%95%e6%8e%a5%e6%94%b6%e5%8a%a8%e6%80%81%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/979542.html","title":{"rendered":"Python\u5982\u4f55\u63a5\u6536\u52a8\u6001\u5217\u8868"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24205335\/eb822a5a-fbf1-4cf6-8b25-b17b8c3dae95.webp\" alt=\"Python\u5982\u4f55\u63a5\u6536\u52a8\u6001\u5217\u8868\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u63a5\u6536\u52a8\u6001\u5217\u8868\uff0c\u53ef\u4ee5\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u3001append()\u65b9\u6cd5\u3001extend()\u65b9\u6cd5\u3001\u7ed3\u5408\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u548c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u5982Pandas\u7b49\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\u3002<\/strong>\u5176\u4e2d\uff0c\u4f7f\u7528append()\u65b9\u6cd5\u662f\u6700\u5e38\u89c1\u4e14\u76f4\u89c2\u7684\u4e00\u79cd\u65b9\u6cd5\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u5728\u73b0\u6709\u5217\u8868\u4e2d\u6dfb\u52a0\u65b0\u7684\u5143\u7d20\uff0c\u4ece\u800c\u5b9e\u73b0\u52a8\u6001\u66f4\u65b0\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u5904\u7406\u52a8\u6001\u5217\u8868\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u5217\u8868\u63a8\u5bfc\u5f0f<\/p>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662fPython\u4e2d\u6784\u5efa\u5217\u8868\u7684\u4e00\u79cd\u7b80\u6d01\u65b9\u5f0f\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u52a8\u6001\u5730\u751f\u6210\u5217\u8868\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u4e00\u884c\u4ee3\u7801\u4e2d\u5b9e\u73b0\u590d\u6742\u7684\u903b\u8f91\u3002<\/p>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">[new_element for element in iterable if condition]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u4e2d\uff0c<code>new_element<\/code>\u662f\u8981\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c<code>iterable<\/code>\u662f\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff0c<code>condition<\/code>\u662f\u4e00\u4e2a\u53ef\u9009\u7684\u6761\u4ef6\uff0c\u7528\u4e8e\u8fc7\u6ee4\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><p>\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u52a8\u6001\u751f\u6210\u4e00\u4e2a\u5305\u542b1\u523010\u7684\u5e73\u65b9\u6570\u7684\u5217\u8868<\/p>\n<p>squares = [x2 for x in range(1, 11)]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u751f\u6210\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u6216\u7ecf\u8fc7\u8f6c\u6362\u540e\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001append()\u65b9\u6cd5<\/p>\n<\/p>\n<p><p><code>append()<\/code>\u65b9\u6cd5\u662f\u5411\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u5355\u4e2a\u5143\u7d20\u7684\u6700\u76f4\u63a5\u65b9\u6cd5\u3002\u5bf9\u4e8e\u52a8\u6001\u63a5\u6536\u6570\u636e\u7684\u573a\u666f\uff0cappend()\u975e\u5e38\u5b9e\u7528\u3002<\/p>\n<\/p>\n<p><p>\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521d\u59cb\u5316\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n<p>dynamic_list = []<\/p>\n<h2><strong>\u52a8\u6001\u63a5\u6536\u6570\u636e\u5e76\u6dfb\u52a0\u5230\u5217\u8868\u4e2d<\/strong><\/h2>\n<p>for i in range(5):<\/p>\n<p>    new_element = int(input(&quot;Enter a number: &quot;))<\/p>\n<p>    dynamic_list.append(new_element)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7528\u6237\u8f93\u5165\u7684\u6bcf\u4e2a\u6570\u5b57\u90fd\u88ab\u6dfb\u52a0\u5230<code>dynamic_list<\/code>\u4e2d\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001extend()\u65b9\u6cd5<\/p>\n<\/p>\n<p><p><code>extend()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5c06\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u3002\u5b83\u4e0e<code>append()<\/code>\u7684\u533a\u522b\u5728\u4e8e\uff0c<code>extend()<\/code>\u53ef\u4ee5\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><p>\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521d\u59cb\u5316\u4e00\u4e2a\u5217\u8868<\/p>\n<p>dynamic_list = [1, 2, 3]<\/p>\n<h2><strong>\u4f7f\u7528extend\u65b9\u6cd5\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20<\/strong><\/h2>\n<p>additional_elements = [4, 5, 6]<\/p>\n<p>dynamic_list.extend(additional_elements)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u5c06\u591a\u4e2a\u5143\u7d20\u540c\u65f6\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u7ed3\u5408\u751f\u6210\u5668\u8868\u8fbe\u5f0f<\/p>\n<\/p>\n<p><p>\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u53ef\u4ee5\u7528\u6765\u52a8\u6001\u4ea7\u751f\u6570\u636e\u6d41\uff0c\u5e76\u4e14\u5728\u9700\u8981\u65f6\u5c06\u6570\u636e\u8ffd\u52a0\u5230\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n<p><p>\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u751f\u6210\u5668\u8868\u8fbe\u5f0f<\/p>\n<p>numbers = (x for x in range(10) if x % 2 == 0)<\/p>\n<h2><strong>\u521d\u59cb\u5316\u4e00\u4e2a\u7a7a\u5217\u8868<\/strong><\/h2>\n<p>dynamic_list = []<\/p>\n<h2><strong>\u52a8\u6001\u63a5\u6536\u751f\u6210\u5668\u7684\u6570\u636e<\/strong><\/h2>\n<p>for number in numbers:<\/p>\n<p>    dynamic_list.append(number)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u65b9\u5f0f\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4f1a\u4e00\u6b21\u6027\u5c06\u6240\u6709\u6570\u636e\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u5982Pandas<\/p>\n<\/p>\n<p><p>\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u9700\u6c42\uff0c\u53ef\u4ee5\u4f7f\u7528Pandas\u5e93\u6765\u5904\u7406\u52a8\u6001\u5217\u8868\u3002Pandas\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6570\u636e\u7ed3\u6784\u548c\u6570\u636e\u5206\u6790\u5de5\u5177\u3002<\/p>\n<\/p>\n<p><p>\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<h2><strong>\u521b\u5efa\u4e00\u4e2aDataFrame<\/strong><\/h2>\n<p>df = pd.DataFrame(columns=[&quot;Numbers&quot;])<\/p>\n<h2><strong>\u52a8\u6001\u6dfb\u52a0\u6570\u636e<\/strong><\/h2>\n<p>for i in range(5):<\/p>\n<p>    new_element = int(input(&quot;Enter a number: &quot;))<\/p>\n<p>    df = df.append({&quot;Numbers&quot;: new_element}, ignore_index=True)<\/p>\n<p>print(df)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>Pandas\u63d0\u4f9b\u4e86\u5bf9\u6570\u636e\u8fdb\u884c\u52a8\u6001\u66f4\u65b0\u548c\u590d\u6742\u64cd\u4f5c\u7684\u80fd\u529b\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n<\/p>\n<p><p>\u603b\u7ed3\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u63a5\u6536\u548c\u5904\u7406\u52a8\u6001\u5217\u8868\uff0c\u4ece\u7b80\u5355\u7684\u5185\u7f6e\u65b9\u6cd5\u5230\u529f\u80fd\u5f3a\u5927\u7684\u7b2c\u4e09\u65b9\u5e93\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u3001append()\u3001extend()\u3001\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u4ee5\u53caPandas\u5e93\uff0c\u5404\u6709\u5176\u9002\u7528\u573a\u666f\u548c\u4f18\u70b9\u3002\u4e86\u89e3\u5e76\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8Python\u7f16\u7a0b\u7684\u6548\u7387\u548c\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u52a8\u6001\u5217\u8868\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u52a8\u6001\u5217\u8868\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5185\u7f6e\u7684<code>list<\/code>\u7c7b\u578b\u6765\u5b9e\u73b0\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u5143\u7d20\u3001\u5220\u9664\u5143\u7d20\u6216\u4fee\u6539\u5143\u7d20\u6765\u52a8\u6001\u5730\u66f4\u65b0\u5217\u8868\u3002\u4f7f\u7528<code>append()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5728\u5217\u8868\u7684\u672b\u5c3e\u6dfb\u52a0\u65b0\u5143\u7d20\uff0c\u4f7f\u7528<code>remove()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5220\u9664\u6307\u5b9a\u5143\u7d20\uff0c\u800c\u901a\u8fc7\u7d22\u5f15\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u67d0\u4e2a\u4f4d\u7f6e\u7684\u503c\u3002\u8fd9\u4f7f\u5f97Python\u7684\u5217\u8868\u5341\u5206\u7075\u6d3b\uff0c\u9002\u5408\u5904\u7406\u52a8\u6001\u6570\u636e\u3002<\/p>\n<p><strong>\u5982\u4f55\u4ece\u7528\u6237\u8f93\u5165\u4e2d\u63a5\u6536\u52a8\u6001\u5217\u8868\uff1f<\/strong><br \/>\u4f60\u53ef\u4ee5\u4f7f\u7528<code>input()<\/code>\u51fd\u6570\u63a5\u6536\u7528\u6237\u8f93\u5165\uff0c\u5e76\u901a\u8fc7<code>split()<\/code>\u65b9\u6cd5\u5c06\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5217\u8868\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u63d0\u793a\u7528\u6237\u8f93\u5165\u4ee5\u9017\u53f7\u5206\u9694\u7684\u6570\u5b57\uff0c\u7136\u540e\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4ee5\u9017\u53f7\u5206\u9694\u7684\u6570\u5b57\uff1a&quot;)\ndynamic_list = [int(x) for x in user_input.split(&#39;,&#39;)]\n<\/code><\/pre>\n<p>\u8fd9\u6837\uff0c\u7528\u6237\u8f93\u5165\u7684\u6570\u5b57\u5c31\u4f1a\u88ab\u52a8\u6001\u5730\u8f6c\u6362\u4e3a\u6574\u6570\u5217\u8868\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u5982\u4f55\u52a8\u6001\u66f4\u65b0\u5217\u8868\u7684\u5185\u5bb9\uff1f<\/strong><br \/>\u66f4\u65b0\u5217\u8868\u7684\u5185\u5bb9\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u3002\u82e5\u8981\u6dfb\u52a0\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528<code>append()<\/code>\u6216<code>extend()<\/code>\u65b9\u6cd5\uff1b\u82e5\u8981\u5220\u9664\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528<code>pop()<\/code>\u6216<code>remove()<\/code>\u65b9\u6cd5\uff1b\u82e5\u8981\u4fee\u6539\u5143\u7d20\uff0c\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\u3002\u4f8b\u5982\uff0c<code>my_list[0] = new_value<\/code>\u5c06\u66f4\u65b0\u5217\u8868\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c\u3002\u8fd9\u4e9b\u64cd\u4f5c\u4f7f\u5f97\u5217\u8868\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u80fd\u591f\u7075\u6d3b\u5e94\u5bf9\u53d8\u5316\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u63a5\u6536\u52a8\u6001\u5217\u8868\uff0c\u53ef\u4ee5\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u3001append()\u65b9\u6cd5\u3001extend()\u65b9\u6cd5\u3001\u7ed3\u5408\u751f\u6210\u5668\u8868\u8fbe\u5f0f [&hellip;]","protected":false},"author":3,"featured_media":979551,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/979542"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=979542"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/979542\/revisions"}],"predecessor-version":[{"id":979558,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/979542\/revisions\/979558"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/979551"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=979542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=979542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=979542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}