{"id":925811,"date":"2024-12-26T15:37:22","date_gmt":"2024-12-26T07:37:22","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/925811.html"},"modified":"2024-12-26T15:37:25","modified_gmt":"2024-12-26T07:37:25","slug":"python%e5%a6%82%e4%bd%95%e8%b7%b3%e5%9b%9e","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/925811.html","title":{"rendered":"python\u5982\u4f55\u8df3\u56de"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25062726\/c924f795-7294-430f-b66d-7f1ef92efa79.webp\" alt=\"python\u5982\u4f55\u8df3\u56de\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u8df3\u56de\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u3001\u51fd\u6570\u8c03\u7528\u3001\u5f02\u5e38\u5904\u7406\u7b49\u65b9\u5f0f\u5b9e\u73b0<\/strong>\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u5faa\u73af\u7ed3\u6784\u5982<code>for<\/code>\u6216<code>while<\/code>\u5b9e\u73b0\u5faa\u73af\u8df3\u8f6c\u3001\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u8fdb\u884c\u51fd\u6570\u8c03\u7528\u8df3\u8f6c\u3001\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u673a\u5236\u8fdb\u884c\u63a7\u5236\u6d41\u8df3\u8f6c\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u8fd9\u4e9b\u65b9\u6cd5\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528\u5faa\u73af\u7ed3\u6784<\/h3>\n<\/p>\n<p><p>Python\u4e2d\u7684\u5faa\u73af\u7ed3\u6784\u63d0\u4f9b\u4e86\u81ea\u7136\u7684\u8df3\u8f6c\u673a\u5236\uff0c\u53ef\u4ee5\u901a\u8fc7<code>break<\/code>\u3001<code>continue<\/code>\u7b49\u5173\u952e\u5b57\u63a7\u5236\u5faa\u73af\u7684\u6d41\u7a0b\u3002<\/p>\n<\/p>\n<p><h4>1.1 <code>for<\/code>\u5faa\u73af\u4e0e<code>continue<\/code><\/h4>\n<\/p>\n<p><p><code>for<\/code>\u5faa\u73af\u901a\u5e38\u7528\u4e8e\u904d\u5386\u4e00\u4e2a\u5e8f\u5217\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\u6216\u5b57\u7b26\u4e32\uff09\u3002\u901a\u8fc7\u4f7f\u7528<code>continue<\/code>\u5173\u952e\u5b57\uff0c\u53ef\u4ee5\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\u7684\u5269\u4f59\u90e8\u5206\uff0c\u76f4\u63a5\u8fdb\u5165\u4e0b\u4e00\u6b21\u5faa\u73af\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">for i in range(10):<\/p>\n<p>    if i % 2 == 0:<\/p>\n<p>        continue  # \u8df3\u8fc7\u5076\u6570<\/p>\n<p>    print(i)  # \u6253\u5370\u5947\u6570<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>continue<\/code>\u7528\u4e8e\u8df3\u8fc7\u5076\u6570\u7684\u6253\u5370\u64cd\u4f5c\uff0c\u76f4\u63a5\u8fdb\u5165\u4e0b\u4e00\u6b21\u5faa\u73af\u3002<\/p>\n<\/p>\n<p><h4>1.2 <code>while<\/code>\u5faa\u73af\u4e0e<code>break<\/code><\/h4>\n<\/p>\n<p><p><code>while<\/code>\u5faa\u73af\u5728\u6761\u4ef6\u4e3a\u771f\u65f6\u53cd\u590d\u6267\u884c\u8bed\u53e5\u5757\u3002\u53ef\u4ee5\u4f7f\u7528<code>break<\/code>\u5173\u952e\u5b57\u63d0\u524d\u9000\u51fa\u5faa\u73af\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">i = 0<\/p>\n<p>while i &lt; 10:<\/p>\n<p>    if i == 5:<\/p>\n<p>        break  # \u5f53i\u7b49\u4e8e5\u65f6\u9000\u51fa\u5faa\u73af<\/p>\n<p>    print(i)<\/p>\n<p>    i += 1<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5f53\u53d8\u91cf<code>i<\/code>\u7b49\u4e8e5\u65f6\uff0c<code>break<\/code>\u8bed\u53e5\u5c06\u7ec8\u6b62\u5faa\u73af\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528\u9012\u5f52\u51fd\u6570<\/h3>\n<\/p>\n<p><p>\u9012\u5f52\u662f\u4e00\u79cd\u51fd\u6570\u8c03\u7528\u81ea\u8eab\u7684\u7f16\u7a0b\u6280\u5de7\uff0c\u9002\u7528\u4e8e\u95ee\u9898\u53ef\u88ab\u5206\u89e3\u4e3a\u76f8\u4f3c\u5b50\u95ee\u9898\u7684\u60c5\u51b5\u3002\u9012\u5f52\u51fd\u6570\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3c\u201c\u8df3\u56de\u201d\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n<p><h4>2.1 \u7b80\u5355\u9012\u5f52\u793a\u4f8b<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">def countdown(n):<\/p>\n<p>    if n &lt;= 0:<\/p>\n<p>        print(&quot;Blastoff!&quot;)<\/p>\n<p>    else:<\/p>\n<p>        print(n)<\/p>\n<p>        countdown(n - 1)  # \u9012\u5f52\u8c03\u7528\u81ea\u8eab<\/p>\n<p>countdown(5)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>countdown<\/code>\u51fd\u6570\u8c03\u7528\u81ea\u8eab\uff0c\u76f4\u5230<code>n<\/code>\u4e3a0\u65f6\u8f93\u51fa\u201cBlastoff!\u201d\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u673a\u5236<\/h3>\n<\/p>\n<p><p>\u5f02\u5e38\u5904\u7406\u673a\u5236\u4e3b\u8981\u7528\u4e8e\u5904\u7406\u7a0b\u5e8f\u8fd0\u884c\u65f6\u7684\u9519\u8bef\uff0c\u4f46\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u8df3\u8f6c\u63a7\u5236\u3002<\/p>\n<\/p>\n<p><h4>3.1 \u57fa\u672c\u5f02\u5e38\u5904\u7406<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u629b\u51fa\u548c\u6355\u83b7\u5f02\u5e38\uff0c\u53ef\u4ee5\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u5b9e\u73b0\u8df3\u8f6c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def process_data(data):<\/p>\n<p>    try:<\/p>\n<p>        if not data:<\/p>\n<p>            r<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>se ValueError(&quot;No data provided&quot;)<\/p>\n<p>        # \u6b63\u5e38\u5904\u7406\u6570\u636e\u903b\u8f91<\/p>\n<p>        print(&quot;Processing data:&quot;, data)<\/p>\n<p>    except ValueError as e:<\/p>\n<p>        print(&quot;Error:&quot;, e)<\/p>\n<p>process_data(None)<\/p>\n<p>process_data(&quot;Some data&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>raise<\/code>\u8bed\u53e5\u7528\u4e8e\u629b\u51fa\u5f02\u5e38\uff0c<code>except<\/code>\u5757\u7528\u4e8e\u6355\u83b7\u5e76\u5904\u7406\u8be5\u5f02\u5e38\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u603b\u7ed3\u4e0e\u5efa\u8bae<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\uff0cPython\u7a0b\u5e8f\u5458\u53ef\u4ee5\u5b9e\u73b0\u591a\u79cd\u5f62\u5f0f\u7684\u8df3\u56de\u64cd\u4f5c\u3002\u9009\u62e9\u4f55\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u7f16\u7a0b\u4efb\u52a1\u548c\u4e2a\u4eba\u7684\u7f16\u7a0b\u98ce\u683c\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u4f7f\u7528\u5faa\u73af\u7ed3\u6784<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u53cd\u590d\u6267\u884c\u7279\u5b9a\u4ee3\u7801\u5757\u7684\u573a\u666f\uff0c\u5982\u904d\u5386\u5217\u8868\u3001\u5904\u7406\u6587\u4ef6\u884c\u7b49\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9012\u5f52\u51fd\u6570<\/strong>\uff1a\u9002\u7528\u4e8e\u81ea\u7136\u9012\u5f52\u7684\u95ee\u9898\uff0c\u5982\u6811\u7684\u904d\u5386\u3001\u9636\u4e58\u8ba1\u7b97\u7b49\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u673a\u5236<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u9519\u8bef\u6216\u5f02\u5e38\u60c5\u51b5\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u9c81\u68d2\u6027\u3002<\/li>\n<\/ol>\n<p><p>\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u7406\u89e3\u6bcf\u79cd\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\uff0c\u5e76\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u8df3\u56de\u673a\u5236\uff0c\u662f\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u8bfb\u4ee3\u7801\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u51fd\u6570\u7684\u8fd4\u56de\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>return<\/code>\u8bed\u53e5\u6765\u5b9e\u73b0\u4ece\u51fd\u6570\u4e2d\u8fd4\u56de\u503c\u3002\u5f53\u51fd\u6570\u6267\u884c\u5230<code>return<\/code>\u8bed\u53e5\u65f6\uff0c\u5b83\u4f1a\u7ed3\u675f\u51fd\u6570\u7684\u6267\u884c\u5e76\u5c06\u6307\u5b9a\u7684\u503c\u8fd4\u56de\u7ed9\u8c03\u7528\u8be5\u51fd\u6570\u7684\u5730\u65b9\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">def add(a, b):\n    return a + b\n\nresult = add(5, 3)\nprint(result)  # \u8f93\u51fa 8\n<\/code><\/pre>\n<p><strong>\u5728Python\u4e2d\u5982\u4f55\u4f7f\u7528\u5faa\u73af\u8df3\u56de\u7279\u5b9a\u4f4d\u7f6e\uff1f<\/strong><br \/>\u5728\u5faa\u73af\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>continue<\/code>\u8bed\u53e5\u8df3\u8fc7\u5f53\u524d\u8fed\u4ee3\u5e76\u8fd4\u56de\u5230\u5faa\u73af\u7684\u5f00\u59cb\u4f4d\u7f6e\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u6267\u884c\u5faa\u73af\u4f53\u4e2d\u4f59\u4e0b\u7684\u4ee3\u7801\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-python\">for i in range(5):\n    if i == 2:\n        continue\n    print(i)  # \u8f93\u51fa 0, 1, 3, 4\n<\/code><\/pre>\n<p><strong>Python\u4e2d\u662f\u5426\u6709\u529e\u6cd5\u8df3\u51fa\u591a\u5c42\u5d4c\u5957\u5faa\u73af\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528<code>break<\/code>\u8bed\u53e5\u6765\u8df3\u51fa\u5f53\u524d\u5faa\u73af\uff0c\u4f46\u5982\u679c\u9700\u8981\u8df3\u51fa\u591a\u5c42\u5d4c\u5957\u5faa\u73af\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u6807\u5fd7\u53d8\u91cf\u6216\u8005\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-python\">found = False\n\nfor i in range(3):\n    for j in range(3):\n        if i == 1 and j == 1:\n            found = True\n            break\n    if found:\n        break\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5728\u627e\u5230\u6761\u4ef6\u540e\u4f1a\u8df3\u51fa\u6240\u6709\u5d4c\u5957\u7684\u5faa\u73af\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u8df3\u56de\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u3001\u51fd\u6570\u8c03\u7528\u3001\u5f02\u5e38\u5904\u7406\u7b49\u65b9\u5f0f\u5b9e\u73b0\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u5faa\u73af\u7ed3\u6784\u5982for [&hellip;]","protected":false},"author":3,"featured_media":925816,"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\/925811"}],"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=925811"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/925811\/revisions"}],"predecessor-version":[{"id":925817,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/925811\/revisions\/925817"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/925816"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=925811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=925811"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=925811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}