{"id":1131962,"date":"2025-01-08T20:53:01","date_gmt":"2025-01-08T12:53:01","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1131962.html"},"modified":"2025-01-08T20:53:21","modified_gmt":"2025-01-08T12:53:21","slug":"python%e5%a6%82%e4%bd%95%e5%b0%86%e4%b8%a4%e4%bd%8d%e6%95%b0%e5%80%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1131962.html","title":{"rendered":"python\u5982\u4f55\u5c06\u4e24\u4f4d\u6570\u5012\u5e8f"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25101621\/d4186cb5-48c0-4f72-ba68-b604847ed213.webp\" alt=\"python\u5982\u4f55\u5c06\u4e24\u4f4d\u6570\u5012\u5e8f\" \/><\/p>\n<p><p> <strong>Python\u5c06\u4e24\u4f4d\u6570\u5012\u5e8f\u7684\u6838\u5fc3\u65b9\u6cd5\u662f\uff1a\u4f7f\u7528\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u6570\u5b66\u8fd0\u7b97\u3001\u5217\u8868\u64cd\u4f5c<\/strong>\u3002\u5176\u4e2d<strong>\u5b57\u7b26\u4e32\u64cd\u4f5c<\/strong>\u662f\u6700\u5e38\u7528\u548c\u76f4\u89c2\u7684\u65b9\u6cd5\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u5c55\u5f00\u8be5\u65b9\u6cd5\u53ca\u5176\u4ed6\u76f8\u5173\u6280\u5de7\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u5b57\u7b26\u4e32\u64cd\u4f5c\u662f\u6700\u76f4\u89c2\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u53cd\u8f6c\u5b57\u7b26\u4e32\uff0c\u6700\u540e\u518d\u5c06\u5176\u8f6c\u6362\u56de\u6574\u6570\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u4e24\u4f4d\u6570\u7684\u5012\u5e8f\u3002<\/p>\n<\/p>\n<p><h4>1.1 \u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5c06\u4e24\u4f4d\u6570\u7684\u6574\u6570\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7Python\u7684\u5185\u7f6e\u51fd\u6570<code>str()<\/code>\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">number = 42<\/p>\n<p>str_number = str(number)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>1.2 \u53cd\u8f6c\u5b57\u7b26\u4e32<\/h4>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53cd\u8f6c\u5b57\u7b26\u4e32\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7Python\u7684\u5b57\u7b26\u4e32\u5207\u7247\u529f\u80fd\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">reversed_str_number = str_number[::-1]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>1.3 \u5c06\u53cd\u8f6c\u540e\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u56de\u6574\u6570<\/h4>\n<\/p>\n<p><p>\u6700\u540e\uff0c\u6211\u4eec\u5c06\u53cd\u8f6c\u540e\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u56de\u6574\u6570\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7Python\u7684\u5185\u7f6e\u51fd\u6570<code>int()<\/code>\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">reversed_number = int(reversed_str_number)<\/p>\n<p>print(reversed_number)  # \u8f93\u51fa24<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e8c\u3001\u6570\u5b66\u8fd0\u7b97<\/h3>\n<\/p>\n<p><p>\u9664\u4e86\u5b57\u7b26\u4e32\u64cd\u4f5c\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6570\u5b66\u8fd0\u7b97\u6765\u5b9e\u73b0\u4e24\u4f4d\u6570\u7684\u5012\u5e8f\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4f9d\u8d56\u5b57\u7b26\u4e32\u8f6c\u6362\uff0c\u76f4\u63a5\u901a\u8fc7\u6570\u5b66\u8ba1\u7b97\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><h4>2.1 \u63d0\u53d6\u4e2a\u4f4d\u548c\u5341\u4f4d<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u63d0\u53d6\u4e24\u4f4d\u6570\u7684\u4e2a\u4f4d\u548c\u5341\u4f4d\u3002\u53ef\u4ee5\u901a\u8fc7\u6574\u9664\u548c\u53d6\u4f59\u64cd\u4f5c\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">number = 42<\/p>\n<p>tens = number \/\/ 10  # \u63d0\u53d6\u5341\u4f4d<\/p>\n<p>ones = number % 10   # \u63d0\u53d6\u4e2a\u4f4d<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2.2 \u91cd\u65b0\u7ec4\u5408\u4e2a\u4f4d\u548c\u5341\u4f4d<\/h4>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4e2a\u4f4d\u548c\u5341\u4f4d\u91cd\u65b0\u7ec4\u5408\u6210\u4e00\u4e2a\u65b0\u7684\u4e24\u4f4d\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">reversed_number = ones * 10 + tens<\/p>\n<p>print(reversed_number)  # \u8f93\u51fa24<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u5217\u8868\u64cd\u4f5c<\/h3>\n<\/p>\n<p><p>\u5217\u8868\u64cd\u4f5c\u662f\u53e6\u4e00\u79cd\u53ef\u884c\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5217\u8868\uff0c\u53cd\u8f6c\u5217\u8868\uff0c\u7136\u540e\u518d\u5c06\u5176\u8f6c\u6362\u56de\u6574\u6570\uff0c\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u4e24\u4f4d\u6570\u7684\u5012\u5e8f\u3002<\/p>\n<\/p>\n<p><h4>3.1 \u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5217\u8868<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5c06\u4e24\u4f4d\u6570\u7684\u6574\u6570\u8f6c\u6362\u4e3a\u5217\u8868\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">number = 42<\/p>\n<p>list_number = [int(digit) for digit in str(number)]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3.2 \u53cd\u8f6c\u5217\u8868<\/h4>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53cd\u8f6c\u5217\u8868\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7Python\u7684\u5217\u8868\u5207\u7247\u529f\u80fd\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">reversed_list_number = list_number[::-1]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3.3 \u5c06\u53cd\u8f6c\u540e\u7684\u5217\u8868\u8f6c\u6362\u56de\u6574\u6570<\/h4>\n<\/p>\n<p><p>\u6700\u540e\uff0c\u6211\u4eec\u5c06\u53cd\u8f6c\u540e\u7684\u5217\u8868\u8f6c\u6362\u56de\u6574\u6570\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5b57\u7b26\u4e32\u8fde\u63a5\u548c\u7c7b\u578b\u8f6c\u6362\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">reversed_number = int(&#39;&#39;.join(map(str, reversed_list_number)))<\/p>\n<p>print(reversed_number)  # \u8f93\u51fa24<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u5e94\u7528\u573a\u666f\u4e0e\u5b9e\u8df5<\/h3>\n<\/p>\n<p><h4>4.1 \u6570\u636e\u5904\u7406\u4e2d\u7684\u5e94\u7528<\/h4>\n<\/p>\n<p><p>\u5728\u6570\u636e\u5904\u7406\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u5bf9\u6570\u5b57\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\u3002\u5012\u5e8f\u4e24\u4f4d\u6570\u662f\u5176\u4e2d\u4e00\u79cd\u7b80\u5355\u4f46\u5b9e\u7528\u7684\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5012\u5e8f\u540e\u7684\u6570\u5b57\u53ef\u80fd\u5177\u6709\u7279\u6b8a\u7684\u542b\u4e49\u6216\u7528\u9014\u3002<\/p>\n<\/p>\n<p><h4>4.2 \u7b97\u6cd5\u7ade\u8d5b\u4e2d\u7684\u5e94\u7528<\/h4>\n<\/p>\n<p><p>\u5728\u7b97\u6cd5\u7ade\u8d5b\u4e2d\uff0c\u5012\u5e8f\u6570\u5b57\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9898\u76ee\u3002\u4e86\u89e3\u5e76\u638c\u63e1\u591a\u79cd\u5b9e\u73b0\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u53c2\u8d5b\u8005\u66f4\u5feb\u5730\u89e3\u51b3\u95ee\u9898\uff0c\u63d0\u9ad8\u6bd4\u8d5b\u6210\u7ee9\u3002<\/p>\n<\/p>\n<p><h4>4.3 \u8f6f\u4ef6\u5f00\u53d1\u4e2d\u7684\u5e94\u7528<\/h4>\n<\/p>\n<p><p>\u5728\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u5904\u7406\u548c\u64cd\u4f5c\u6570\u5b57\u662f\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u638c\u63e1\u4e0d\u540c\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\uff0c\u589e\u5f3a\u7a0b\u5e8f\u7684\u9c81\u68d2\u6027\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u4e24\u4f4d\u6570\u7684\u5012\u5e8f\uff0c\u5305\u62ec<strong>\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u6570\u5b66\u8fd0\u7b97\u548c\u5217\u8868\u64cd\u4f5c<\/strong>\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u70b9\u548c\u9002\u7528\u573a\u666f\u3002\u5b57\u7b26\u4e32\u64cd\u4f5c\u6700\u76f4\u89c2\uff0c\u9002\u5408\u521d\u5b66\u8005\uff1b\u6570\u5b66\u8fd0\u7b97\u4e0d\u4f9d\u8d56\u5b57\u7b26\u4e32\u8f6c\u6362\uff0c\u9002\u5408\u9700\u8981\u9ad8\u6548\u8ba1\u7b97\u7684\u573a\u666f\uff1b\u5217\u8868\u64cd\u4f5c\u7075\u6d3b\u591a\u6837\uff0c\u9002\u5408\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u4efb\u52a1\u3002\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5728\u4e0d\u540c\u7684\u573a\u666f\u4e0b\u7075\u6d3b\u8fd0\u7528\uff0c\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u5c06\u4e24\u4f4d\u6570\u8fdb\u884c\u5012\u5e8f\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b57\u7b26\u4e32\u7684\u5207\u7247\u529f\u80fd\u8f7b\u677e\u5b9e\u73b0\u4e24\u4f4d\u6570\u7684\u5012\u5e8f\u3002\u9996\u5148\uff0c\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u4f7f\u7528\u5207\u7247\u53cd\u8f6c\u5b57\u7b26\u4e32\uff0c\u6700\u540e\u5c06\u5176\u8f6c\u6362\u56de\u6574\u6570\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">number = 34\nreversed_number = int(str(number)[::-1])\nprint(reversed_number)  # \u8f93\u51fa\uff1a43\n<\/code><\/pre>\n<p><strong>\u662f\u5426\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u65b9\u6cd5\u5012\u5e8f\u4e24\u4f4d\u6570\uff1f<\/strong><br \/>\u9664\u4e86\u5b57\u7b26\u4e32\u5207\u7247\uff0c\u60a8\u8fd8\u53ef\u4ee5\u901a\u8fc7\u6570\u5b66\u8fd0\u7b97\u6765\u5b9e\u73b0\u4e24\u4f4d\u6570\u7684\u5012\u5e8f\u3002\u53ef\u4ee5\u901a\u8fc7\u53d6\u4f59\u548c\u6574\u9664\u6765\u5206\u79bb\u5341\u4f4d\u548c\u4e2a\u4f4d\u6570\u5b57\uff0c\u7136\u540e\u91cd\u65b0\u7ec4\u5408\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">number = 34\ntens = number \/\/ 10\nones = number % 10\nreversed_number = ones * 10 + tens\nprint(reversed_number)  # \u8f93\u51fa\uff1a43\n<\/code><\/pre>\n<p><strong>\u5728\u5904\u7406\u8d1f\u6570\u6216\u4e09\u4f4d\u6570\u65f6\uff0c\u5982\u4f55\u8fdb\u884c\u5012\u5e8f\uff1f<\/strong><br \/>\u5982\u679c\u9700\u8981\u5904\u7406\u8d1f\u6570\u6216\u4e09\u4f4d\u6570\uff0c\u53ef\u4ee5\u5728\u8fdb\u884c\u5012\u5e8f\u524d\u5148\u5224\u65ad\u6570\u5b57\u7684\u7b26\u53f7\u6216\u4f4d\u6570\u3002\u5bf9\u4e8e\u8d1f\u6570\uff0c\u53ef\u4ee5\u5148\u5c06\u5176\u7edd\u5bf9\u503c\u5012\u5e8f\uff0c\u7136\u540e\u518d\u52a0\u4e0a\u8d1f\u53f7\u3002\u800c\u5bf9\u4e8e\u4e09\u4f4d\u6570\uff0c\u53ef\u4ee5\u91c7\u7528\u7c7b\u4f3c\u7684\u65b9\u6cd5\uff0c\u53ea\u9700\u786e\u4fdd\u5728\u7ec4\u5408\u65f6\u8003\u8651\u5230\u5176\u4f4d\u6570\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">number = -123\nis_negative = number &lt; 0\nnumber = abs(number)\nreversed_number = int(str(number)[::-1])\nif is_negative:\n    reversed_number = -reversed_number\nprint(reversed_number)  # \u8f93\u51fa\uff1a-321\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"Python\u5c06\u4e24\u4f4d\u6570\u5012\u5e8f\u7684\u6838\u5fc3\u65b9\u6cd5\u662f\uff1a\u4f7f\u7528\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u6570\u5b66\u8fd0\u7b97\u3001\u5217\u8868\u64cd\u4f5c\u3002\u5176\u4e2d\u5b57\u7b26\u4e32\u64cd\u4f5c\u662f\u6700\u5e38\u7528\u548c\u76f4\u89c2\u7684\u65b9\u6cd5\u3002 [&hellip;]","protected":false},"author":3,"featured_media":1132003,"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\/1131962"}],"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=1131962"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1131962\/revisions"}],"predecessor-version":[{"id":1132007,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1131962\/revisions\/1132007"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1132003"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1131962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1131962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1131962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}