{"id":1142890,"date":"2025-01-08T22:44:45","date_gmt":"2025-01-08T14:44:45","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1142890.html"},"modified":"2025-01-08T22:44:48","modified_gmt":"2025-01-08T14:44:48","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%b0%86%e4%b8%89%e4%b8%aa%e6%95%b0%e5%ad%97%e7%bd%ae%e9%80%86","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1142890.html","title":{"rendered":"Python\u4e2d\u5982\u4f55\u5c06\u4e09\u4e2a\u6570\u5b57\u7f6e\u9006"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24180759\/6cd873ff-3256-4b7c-9163-8e187ebd6264.webp\" alt=\"Python\u4e2d\u5982\u4f55\u5c06\u4e09\u4e2a\u6570\u5b57\u7f6e\u9006\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u5c06\u4e09\u4e2a\u6570\u5b57\u7f6e\u9006\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u5217\u8868\u64cd\u4f5c\u3001\u6570\u5b66\u8fd0\u7b97\u7b49\u3002<\/strong> \u5176\u4e2d\uff0c\u5b57\u7b26\u4e32\u64cd\u4f5c\u6700\u4e3a\u76f4\u89c2\uff0c\u5217\u8868\u64cd\u4f5c\u7075\u6d3b\u6027\u9ad8\uff0c\u800c\u6570\u5b66\u8fd0\u7b97\u5219\u66f4\u52a0\u57fa\u7840\u548c\u9ad8\u6548\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63cf\u8ff0\u8fd9\u4e09\u79cd\u65b9\u6cd5\uff0c\u5e76\u4ecb\u7ecd\u5b83\u4eec\u5404\u81ea\u7684\u4f18\u7f3a\u70b9\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5229\u7528\u5b57\u7b26\u4e32\u7684\u5207\u7247\u529f\u80fd\u6765\u7f6e\u9006\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><h4>1. \u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5c06\u8f93\u5165\u7684\u4e09\u4e2a\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5f62\u5f0f\u3002\u4f7f\u7528\u5185\u7f6e\u7684 <code>str()<\/code> \u51fd\u6570\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">num1 = 123<\/p>\n<p>num2 = 456<\/p>\n<p>num3 = 789<\/p>\n<p>str_num1 = str(num1)<\/p>\n<p>str_num2 = str(num2)<\/p>\n<p>str_num3 = str(num3)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u8fdb\u884c\u5b57\u7b26\u4e32\u5207\u7247<\/h4>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u5b57\u7b26\u4e32\u7684\u5207\u7247\u529f\u80fd\u6765\u7f6e\u9006\u5b57\u7b26\u4e32\u3002\u5207\u7247\u7684\u8bed\u6cd5\u975e\u5e38\u7b80\u5355\uff1a<code>str[start:stop:step]<\/code>\uff0c\u5176\u4e2d <code>step<\/code> \u4e3a\u8d1f\u6570\u65f6\u8868\u793a\u4ece\u53f3\u5411\u5de6\u5207\u7247\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">rev_str_num1 = str_num1[::-1]<\/p>\n<p>rev_str_num2 = str_num2[::-1]<\/p>\n<p>rev_str_num3 = str_num3[::-1]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u8f6c\u6362\u56de\u6574\u6570<\/h4>\n<\/p>\n<p><p>\u6700\u540e\uff0c\u5c06\u7f6e\u9006\u540e\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u56de\u6574\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">rev_num1 = int(rev_str_num1)<\/p>\n<p>rev_num2 = int(rev_str_num2)<\/p>\n<p>rev_num3 = int(rev_str_num3)<\/p>\n<p>print(rev_num1, rev_num2, rev_num3)  # \u8f93\u51fa\uff1a321 654 987<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e8c\u3001\u5217\u8868\u64cd\u4f5c<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u5217\u8868\u64cd\u4f5c\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u5177\u7075\u6d3b\u6027\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u591a\u4e2a\u6570\u5b57\u65f6\u66f4\u52a0\u65b9\u4fbf\u3002<\/p>\n<\/p>\n<p><h4>1. \u8f6c\u6362\u4e3a\u5217\u8868<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u518d\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">num_list = [123, 456, 789]<\/p>\n<p>str_num_list = [str(num) for num in num_list]<\/p>\n<p>list_num_list = [list(num) for num in str_num_list]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u7f6e\u9006\u5217\u8868<\/h4>\n<\/p>\n<p><p>\u4f7f\u7528\u5217\u8868\u7684 <code>reverse()<\/code> \u65b9\u6cd5\u6216\u5207\u7247\u529f\u80fd\u6765\u7f6e\u9006\u5217\u8868\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">rev_list_num_list = [num[::-1] for num in list_num_list]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u8f6c\u6362\u56de\u6574\u6570<\/h4>\n<\/p>\n<p><p>\u5c06\u7f6e\u9006\u540e\u7684\u5217\u8868\u8f6c\u6362\u56de\u5b57\u7b26\u4e32\uff0c\u518d\u8f6c\u6362\u56de\u6574\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">rev_num_list = [int(&quot;&quot;.join(num)) for num in rev_list_num_list]<\/p>\n<p>print(rev_num_list)  # \u8f93\u51fa\uff1a[321, 654, 987]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u6570\u5b66\u8fd0\u7b97<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u6570\u5b66\u8fd0\u7b97\uff0c\u53ef\u4ee5\u5728\u4e0d\u4f9d\u8d56\u5b57\u7b26\u4e32\u6216\u5217\u8868\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u6570\u5b57\u7684\u7f6e\u9006\u3002<\/p>\n<\/p>\n<p><h4>1. \u63d0\u53d6\u6bcf\u4e00\u4f4d\u6570\u5b57<\/h4>\n<\/p>\n<p><p>\u5229\u7528\u53d6\u6a21\u8fd0\u7b97\u548c\u6574\u9664\u8fd0\u7b97\u6765\u63d0\u53d6\u6bcf\u4e00\u4f4d\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def reverse_number(num):<\/p>\n<p>    rev_num = 0<\/p>\n<p>    while num &gt; 0:<\/p>\n<p>        rev_num = rev_num * 10 + num % 10<\/p>\n<p>        num \/\/= 10<\/p>\n<p>    return rev_num<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u5e94\u7528\u4e8e\u591a\u4e2a\u6570\u5b57<\/h4>\n<\/p>\n<p><p>\u5c06\u51fd\u6570\u5e94\u7528\u4e8e\u591a\u4e2a\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">num1 = 123<\/p>\n<p>num2 = 456<\/p>\n<p>num3 = 789<\/p>\n<p>rev_num1 = reverse_number(num1)<\/p>\n<p>rev_num2 = reverse_number(num2)<\/p>\n<p>rev_num3 = reverse_number(num3)<\/p>\n<p>print(rev_num1, rev_num2, rev_num3)  # \u8f93\u51fa\uff1a321 654 987<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u4f18\u7f3a\u70b9\u5206\u6790<\/h3>\n<\/p>\n<p><h4>1. \u5b57\u7b26\u4e32\u64cd\u4f5c<\/h4>\n<\/p>\n<p><p><strong>\u4f18\u70b9<\/strong>\uff1a\u4ee3\u7801\u7b80\u6d01\u76f4\u89c2\uff0c\u9002\u5408\u521d\u5b66\u8005\u3002<\/p>\n<\/p>\n<p><p><strong>\u7f3a\u70b9<\/strong>\uff1a\u6027\u80fd\u76f8\u5bf9\u8f83\u4f4e\uff0c\u6d89\u53ca\u7c7b\u578b\u8f6c\u6362\u3002<\/p>\n<\/p>\n<p><h4>2. \u5217\u8868\u64cd\u4f5c<\/h4>\n<\/p>\n<p><p><strong>\u4f18\u70b9<\/strong>\uff1a\u7075\u6d3b\u6027\u9ad8\uff0c\u9002\u5408\u5904\u7406\u591a\u4e2a\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><p><strong>\u7f3a\u70b9<\/strong>\uff1a\u4ee3\u7801\u7a0d\u663e\u590d\u6742\uff0c\u6027\u80fd\u4e00\u822c\u3002<\/p>\n<\/p>\n<p><h4>3. \u6570\u5b66\u8fd0\u7b97<\/h4>\n<\/p>\n<p><p><strong>\u4f18\u70b9<\/strong>\uff1a\u6027\u80fd\u9ad8\u6548\uff0c\u65e0\u9700\u7c7b\u578b\u8f6c\u6362\u3002<\/p>\n<\/p>\n<p><p><strong>\u7f3a\u70b9<\/strong>\uff1a\u4ee3\u7801\u590d\u6742\u5ea6\u8f83\u9ad8\uff0c\u9700\u8981\u8f83\u5f3a\u7684\u6570\u5b66\u57fa\u7840\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n<p><h4>1. \u5b57\u7b26\u4e32\u64cd\u4f5c<\/h4>\n<\/p>\n<p><p>\u9002\u7528\u4e8e\u5c0f\u89c4\u6a21\u6570\u636e\u5904\u7406\u3001\u6559\u5b66\u548c\u521d\u5b66\u8005\u5b66\u4e60\u3002<\/p>\n<\/p>\n<p><h4>2. \u5217\u8868\u64cd\u4f5c<\/h4>\n<\/p>\n<p><p>\u9002\u7528\u4e8e\u9700\u8981\u6279\u91cf\u5904\u7406\u591a\u4e2a\u6570\u5b57\u7684\u573a\u666f\uff0c\u5982\u6570\u636e\u5206\u6790\u548c\u6279\u91cf\u5904\u7406\u4efb\u52a1\u3002<\/p>\n<\/p>\n<p><h4>3. \u6570\u5b66\u8fd0\u7b97<\/h4>\n<\/p>\n<p><p>\u9002\u7528\u4e8e\u5bf9\u6027\u80fd\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\uff0c\u5982\u5d4c\u5165\u5f0f\u7cfb\u7edf\u548c\u5b9e\u65f6\u8ba1\u7b97\u3002<\/p>\n<\/p>\n<p><h3>\u603b\u7ed3<\/h3>\n<\/p>\n<p><p><strong>\u5728Python\u4e2d\u5c06\u4e09\u4e2a\u6570\u5b57\u7f6e\u9006\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u5217\u8868\u64cd\u4f5c\u548c\u6570\u5b66\u8fd0\u7b97\u3002<\/strong> \u4e0d\u540c\u7684\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002\u901a\u8fc7\u5bf9\u8fd9\u4e9b\u65b9\u6cd5\u7684\u7406\u89e3\u548c\u5e94\u7528\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\uff0c\u63d0\u9ad8\u7f16\u7a0b\u6548\u7387\u548c\u4ee3\u7801\u8d28\u91cf\u3002<\/p>\n<\/p>\n<p><p>\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u573a\u666f\u8fdb\u884c\u6743\u8861\u548c\u9009\u62e9\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u591f\u5e2e\u52a9\u4f60\u5728Python\u7f16\u7a0b\u4e2d\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u6570\u5b57\u7f6e\u9006\u7684\u6280\u5de7\u3002\u5982\u679c\u4f60\u6709\u4efb\u4f55\u95ee\u9898\u6216\u5efa\u8bae\uff0c\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u7559\u8a00\u8ba8\u8bba\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5feb\u901f\u5b9e\u73b0\u4e09\u4e2a\u6570\u5b57\u7684\u9006\u5e8f\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u9006\u5e8f\u4e09\u4e2a\u6570\u5b57\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u5143\u7ec4\u89e3\u5305\u5b9e\u73b0\u3002\u5047\u8bbe\u4f60\u6709\u4e09\u4e2a\u53d8\u91cf <code>a<\/code>, <code>b<\/code>, <code>c<\/code>\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u5c06\u5b83\u4eec\u9006\u5e8f\uff1a  <\/p>\n<pre><code class=\"language-python\">a, b, c = 1, 2, 3\na, b, c = c, b, a\nprint(a, b, c)  # \u8f93\u51fa: 3 2 1\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u7b80\u6d01\u4e14\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n<p><strong>\u6709\u6ca1\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u9006\u5e8f\u4e09\u4e2a\u6570\u5b57\u800c\u4e0d\u4f7f\u7528\u4e34\u65f6\u53d8\u91cf\uff1f<\/strong><br \/>\u53ef\u4ee5\u5229\u7528Python\u7684\u5217\u8868\u6765\u5b9e\u73b0\u9006\u5e8f\u3002\u4f8b\u5982\uff0c\u5c06\u4e09\u4e2a\u6570\u5b57\u653e\u5165\u4e00\u4e2a\u5217\u8868\u4e2d\uff0c\u4f7f\u7528\u5207\u7247\u529f\u80fd\u53cd\u8f6c\u5217\u8868\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">nums = [1, 2, 3]\nnums = nums[::-1]\nprint(nums)  # \u8f93\u51fa: [3, 2, 1]\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u5728\u5904\u7406\u591a\u4e2a\u6570\u5b57\u65f6\u4f7f\u7528\uff0c\u56e0\u4e3a\u5217\u8868\u7684\u64cd\u4f5c\u66f4\u52a0\u7075\u6d3b\u3002<\/p>\n<p><strong>\u5728\u9006\u5e8f\u6570\u5b57\u7684\u540c\u65f6\uff0c\u5982\u4f55\u4fdd\u6301\u539f\u59cb\u6570\u636e\u4e0d\u53d8\uff1f<\/strong><br \/>\u5982\u679c\u60f3\u8981\u9006\u5e8f\u6570\u5b57\u800c\u53c8\u4e0d\u4fee\u6539\u539f\u59cb\u53d8\u91cf\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5143\u7ec4\u6216\u5217\u8868\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">a, b, c = 1, 2, 3\nreversed_nums = (c, b, a)  # \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5143\u7ec4\nprint(reversed_nums)  # \u8f93\u51fa: (3, 2, 1)\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u539f\u59cb\u6570\u636e\u4fdd\u6301\u4e0d\u53d8\uff0c\u540c\u65f6\u83b7\u5f97\u4e86\u9006\u5e8f\u7684\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5c06\u4e09\u4e2a\u6570\u5b57\u7f6e\u9006\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u5217\u8868\u64cd\u4f5c\u3001\u6570\u5b66\u8fd0\u7b97\u7b49\u3002 \u5176\u4e2d\uff0c\u5b57\u7b26\u4e32\u64cd\u4f5c\u6700\u4e3a\u76f4\u89c2\uff0c\u5217\u8868 [&hellip;]","protected":false},"author":3,"featured_media":1142898,"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\/1142890"}],"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=1142890"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1142890\/revisions"}],"predecessor-version":[{"id":1142901,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1142890\/revisions\/1142901"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1142898"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1142890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1142890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1142890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}