{"id":981350,"date":"2024-12-27T07:01:56","date_gmt":"2024-12-26T23:01:56","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/981350.html"},"modified":"2024-12-27T07:01:59","modified_gmt":"2024-12-26T23:01:59","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e8%be%93%e5%85%a5%e5%8a%a0%e5%8f%b7","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/981350.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u8f93\u5165\u52a0\u53f7"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24210333\/7539fac9-9180-48ea-a573-86012ce878e5.webp\" alt=\"python\u4e2d\u5982\u4f55\u8f93\u5165\u52a0\u53f7\" \/><\/p>\n<p><p> \u5728Python\u4e2d\uff0c\u8f93\u5165\u52a0\u53f7\uff08\u201c+\u201d\uff09\u975e\u5e38\u7b80\u5355\u3002<strong>\u60a8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528<code>+<\/code>\u7b26\u53f7\u6765\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\u3001\u5b57\u7b26\u4e32\u62fc\u63a5\u3001\u5217\u8868\u5408\u5e76\u7b49\u64cd\u4f5c<\/strong>\u3002\u5728\u8fd9\u4e9b\u64cd\u4f5c\u4e2d\uff0c\u52a0\u53f7\u901a\u5e38\u7528\u4e8e\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u5bf9\u8c61\u7ed3\u5408\u5728\u4e00\u8d77\u3002\u4e0b\u9762\u6211\u4eec\u8be6\u7ec6\u63a2\u8ba8Python\u4e2d\u52a0\u53f7\u7684\u591a\u79cd\u7528\u6cd5\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u7528\u4e8e\u6570\u503c\u52a0\u6cd5<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u52a0\u53f7\u6700\u5e38\u89c1\u7684\u7528\u9014\u662f\u8fdb\u884c\u6570\u503c\u52a0\u6cd5\u8fd0\u7b97\u3002\u65e0\u8bba\u662f\u6574\u6570\u8fd8\u662f\u6d6e\u70b9\u6570\uff0c\u52a0\u53f7\u90fd\u53ef\u4ee5\u5c06\u4e24\u4e2a\u6570\u5b57\u76f8\u52a0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">a = 10<\/p>\n<p>b = 20<\/p>\n<p>result = a + b<\/p>\n<p>print(&quot;Sum:&quot;, result)  # \u8f93\u51fa\uff1aSum: 30<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u6570\u503c\u52a0\u6cd5\u662f\u52a0\u53f7\u7684\u57fa\u672c\u7528\u6cd5<\/strong>\uff0c\u5728\u8ba1\u7b97\u8fc7\u7a0b\u4e2d\uff0cPython\u4f1a\u81ea\u52a8\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u5b57\uff0c\u4f8b\u5982\u6574\u6570\u548c\u6d6e\u70b9\u6570\u7684\u6df7\u5408\u8fd0\u7b97\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u7528\u4e8e\u5b57\u7b26\u4e32\u62fc\u63a5<\/h3>\n<\/p>\n<p><p>\u52a0\u53f7\u5728\u5b57\u7b26\u4e32\u5904\u7406\u4e2d\u4e5f\u6709\u91cd\u8981\u4f5c\u7528\uff0c\u901a\u8fc7\u52a0\u53f7\u53ef\u4ee5\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">str1 = &quot;Hello&quot;<\/p>\n<p>str2 = &quot;World&quot;<\/p>\n<p>combined_str = str1 + &quot; &quot; + str2<\/p>\n<p>print(combined_str)  # \u8f93\u51fa\uff1aHello World<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u5b57\u7b26\u4e32\u62fc\u63a5\u662f\u52a0\u53f7\u5728\u6587\u672c\u5904\u7406\u4e2d\u7684\u4e00\u79cd\u5b9e\u7528\u65b9\u5f0f<\/strong>\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u751f\u6210\u52a8\u6001\u6587\u672c\u5185\u5bb9\u65f6\u3002\u5c3d\u7ba1\u6709\u5176\u4ed6\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff08\u5982f-string\uff09\uff0c\u4f46\u52a0\u53f7\u4f9d\u7136\u662f\u7b80\u5355\u4e14\u76f4\u89c2\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u7528\u4e8e\u5217\u8868\u5408\u5e76<\/h3>\n<\/p>\n<p><p>\u5728\u5904\u7406\u5217\u8868\u65f6\uff0c\u52a0\u53f7\u53ef\u4ee5\u7528\u6765\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u5217\u8868\u5408\u5e76\u6210\u4e00\u4e2a\u65b0\u5217\u8868\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">list1 = [1, 2, 3]<\/p>\n<p>list2 = [4, 5, 6]<\/p>\n<p>combined_list = list1 + list2<\/p>\n<p>print(combined_list)  # \u8f93\u51fa\uff1a[1, 2, 3, 4, 5, 6]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u5217\u8868\u5408\u5e76\u901a\u8fc7\u52a0\u53f7\u5b9e\u73b0\u7b80\u5355\u4e14\u9ad8\u6548<\/strong>\uff0c\u5728\u6570\u636e\u5904\u7406\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u5c06\u591a\u4e2a\u6570\u636e\u96c6\u6574\u5408\uff0c\u6b64\u65f6\u52a0\u53f7\u64cd\u4f5c\u663e\u5f97\u5c24\u4e3a\u65b9\u4fbf\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u7528\u4e8e\u5b9a\u4e49\u6b63\u53f7<\/h3>\n<\/p>\n<p><p>\u5c3d\u7ba1\u5728\u6570\u5b66\u4e2d\u6b63\u53f7\u901a\u5e38\u662f\u9690\u542b\u7684\uff0c\u4f46\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u660e\u786e\u5730\u4f7f\u7528\u52a0\u53f7\u8868\u793a\u6b63\u503c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">positive_number = +42<\/p>\n<p>print(positive_number)  # \u8f93\u51fa\uff1a42<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u663e\u5f0f\u4f7f\u7528\u6b63\u53f7\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027<\/strong>\uff0c\u5c24\u5176\u662f\u5728\u6d89\u53ca\u6570\u5b66\u8fd0\u7b97\u548c\u7b26\u53f7\u660e\u786e\u6027\u65f6\uff0c\u8fd9\u79cd\u7528\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u8bfb\u8005\u5feb\u901f\u7406\u89e3\u4ee3\u7801\u610f\u56fe\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u5728\u7528\u6237\u8f93\u5165\u4e2d\u4f7f\u7528\u52a0\u53f7<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u901a\u5e38\u4f1a\u901a\u8fc7<code>input()<\/code>\u51fd\u6570\u83b7\u53d6\u5b57\u7b26\u4e32\u5f62\u5f0f\u7684\u6570\u636e\u3002\u4f60\u53ef\u4ee5\u63d0\u793a\u7528\u6237\u8f93\u5165\u5305\u542b\u52a0\u53f7\u7684\u8868\u8fbe\u5f0f\uff0c\u7136\u540e\u4f7f\u7528<code>eval()<\/code>\u51fd\u6570\u8ba1\u7b97\u7ed3\u679c\uff0c\u4f46\u8981\u6ce8\u610f\u5b89\u5168\u6027\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user_input = input(&quot;Enter an expression with &#39;+&#39;: &quot;)<\/p>\n<p>try:<\/p>\n<p>    result = eval(user_input)  # \u6ce8\u610f\uff1aeval()\u6709\u5b89\u5168\u98ce\u9669\uff0c\u5e94\u8c28\u614e\u4f7f\u7528<\/p>\n<p>    print(&quot;Result:&quot;, result)<\/p>\n<p>except Exception as e:<\/p>\n<p>    print(&quot;Invalid input:&quot;, e)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\u5e94\u683c\u5916\u5c0f\u5fc3\uff0c\u7279\u522b\u662f\u4f7f\u7528<code>eval()<\/code>\u51fd\u6570<\/strong>\uff0c\u56e0\u4e3a\u5b83\u4f1a\u6267\u884c\u8f93\u5165\u7684\u4ee3\u7801\uff0c\u53ef\u80fd\u5bfc\u81f4\u5b89\u5168\u6f0f\u6d1e\u3002\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u66f4\u5b89\u5168\u7684\u89e3\u6790\u5e93\u6765\u5904\u7406\u8fd9\u79cd\u60c5\u51b5\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u6ce8\u610f\u4e8b\u9879\u548c\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n<ol>\n<li>\n<p><strong>\u7c7b\u578b\u517c\u5bb9\u6027<\/strong>\uff1a\u52a0\u53f7\u8fd0\u7b97\u8981\u6c42\u64cd\u4f5c\u6570\u7c7b\u578b\u76f8\u5339\u914d\uff0c\u5982\u6570\u503c\u95f4\u53ef\u4ee5\u76f8\u52a0\uff0c\u5b57\u7b26\u4e32\u95f4\u53ef\u4ee5\u62fc\u63a5\uff0c\u5217\u8868\u95f4\u53ef\u4ee5\u5408\u5e76\uff0c\u4f46\u4e0d\u80fd\u5c06\u4e0d\u540c\u7c7b\u578b\u76f4\u63a5\u76f8\u52a0\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u6027\u80fd\u8003\u8651<\/strong>\uff1a\u5bf9\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u5408\u5e76\uff0c\u7279\u522b\u662f\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u8003\u8651\u5176\u4ed6\u9ad8\u6548\u65b9\u6cd5\uff0c\u5982\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4f7f\u7528\u52a0\u53f7\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u4ee3\u7801\u53ef\u8bfb\u6027<\/strong>\uff1a\u5728\u5408\u9002\u7684\u573a\u666f\u4e0b\u4f7f\u7528\u52a0\u53f7\u53ef\u4ee5\u63d0\u5347\u4ee3\u7801\u7684\u76f4\u89c2\u6027\uff0c\u4f46\u5728\u590d\u6742\u7684\u8868\u8fbe\u5f0f\u4e2d\uff0c\u6e05\u6670\u7684\u6ce8\u91ca\u548c\u5408\u9002\u7684\u683c\u5f0f\u5316\u66f4\u4e3a\u91cd\u8981\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u901a\u8fc7\u8fd9\u4e9b\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u52a0\u53f7\u5728Python\u4e2d\u662f\u4e00\u4e2a\u975e\u5e38\u7075\u6d3b\u4e14\u5f3a\u5927\u7684\u64cd\u4f5c\u7b26\u3002\u65e0\u8bba\u662f\u5728\u7b80\u5355\u7684\u6570\u5b66\u8fd0\u7b97\u4e2d\u8fd8\u662f\u5728\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u4efb\u52a1\u4e2d\uff0c\u52a0\u53f7\u90fd\u80fd\u53d1\u6325\u5176\u72ec\u7279\u7684\u4f5c\u7528\u3002\u638c\u63e1\u8fd9\u4e9b\u7528\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u6709\u6548\u5730\u7f16\u5199\u548c\u7406\u89e3Python\u4ee3\u7801\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u52a0\u6cd5\u8fd0\u7b97\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u52a0\u6cd5\u8fd0\u7b97\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u201c+\u201d\u8fd0\u7b97\u7b26\u6765\u5b9e\u73b0\u3002\u4f60\u53ef\u4ee5\u5c06\u4e24\u4e2a\u6570\u5b57\u76f8\u52a0\uff0c\u6216\u8005\u5c06\u5b57\u7b26\u4e32\u62fc\u63a5\u5728\u4e00\u8d77\u3002\u4f8b\u5982\uff0c<code>result = 5 + 3<\/code>\u5c06\u8fd4\u56de8\uff0c\u800c<code>greeting = &quot;Hello, &quot; + &quot;World!&quot;<\/code>\u5c06\u8fd4\u56de\u201cHello, World!\u201d\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u7528\u6237\u8f93\u5165\u6765\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\uff1f<\/strong><br \/>\u662f\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7<code>input()<\/code>\u51fd\u6570\u83b7\u53d6\u7528\u6237\u8f93\u5165\uff0c\u7136\u540e\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u5b57\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">num1 = float(input(&quot;\u8bf7\u8f93\u5165\u7b2c\u4e00\u4e2a\u6570\u5b57: &quot;))\nnum2 = float(input(&quot;\u8bf7\u8f93\u5165\u7b2c\u4e8c\u4e2a\u6570\u5b57: &quot;))\nresult = num1 + num2\nprint(&quot;\u4e24\u6570\u4e4b\u548c\u4e3a:&quot;, result)\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u7528\u6237\u5c06\u88ab\u63d0\u793a\u8f93\u5165\u4e24\u4e2a\u6570\u5b57\uff0c\u7a0b\u5e8f\u5c06\u8ba1\u7b97\u5e76\u8f93\u51fa\u5b83\u4eec\u7684\u548c\u3002<\/p>\n<p><strong>Python\u4e2d\u52a0\u53f7\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5176\u4ed6\u54ea\u4e9b\u573a\u666f\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u52a0\u53f7\u4e0d\u4ec5\u7528\u4e8e\u6570\u5b57\u52a0\u6cd5\uff0c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5b57\u7b26\u4e32\u7684\u8fde\u63a5\u548c\u5217\u8868\u7684\u5408\u5e76\u3002\u4f8b\u5982\uff0c<code>list1 = [1, 2, 3]<\/code>\u4e0e<code>list2 = [4, 5, 6]<\/code>\u53ef\u4ee5\u901a\u8fc7<code>list3 = list1 + list2<\/code>\u5408\u5e76\u4e3a<code>[1, 2, 3, 4, 5, 6]<\/code>\u3002\u5728\u5904\u7406\u6570\u636e\u65f6\uff0c\u52a0\u53f7\u7684\u591a\u79cd\u7528\u9014\u4f7f\u5f97Python\u975e\u5e38\u7075\u6d3b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u8f93\u5165\u52a0\u53f7\uff08\u201c+\u201d\uff09\u975e\u5e38\u7b80\u5355\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528+\u7b26\u53f7\u6765\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\u3001\u5b57\u7b26\u4e32\u62fc\u63a5\u3001\u5217\u8868\u5408\u5e76\u7b49\u64cd\u4f5c\u3002 [&hellip;]","protected":false},"author":3,"featured_media":981359,"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\/981350"}],"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=981350"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/981350\/revisions"}],"predecessor-version":[{"id":981360,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/981350\/revisions\/981360"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/981359"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=981350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=981350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=981350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}