{"id":1103239,"date":"2025-01-08T16:08:19","date_gmt":"2025-01-08T08:08:19","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1103239.html"},"modified":"2025-01-08T16:08:22","modified_gmt":"2025-01-08T08:08:22","slug":"python%e5%88%97%e8%a1%a8%e5%a5%97%e5%ad%97%e7%ac%a6%e5%a6%82%e4%bd%95%e5%9b%9e%e5%88%b0%e5%ad%97%e7%ac%a6%e4%b8%b2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1103239.html","title":{"rendered":"python\u5217\u8868\u5957\u5b57\u7b26\u5982\u4f55\u56de\u5230\u5b57\u7b26\u4e32"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25065143\/27c987b2-ba6f-4468-8794-c579cb28031a.webp\" alt=\"python\u5217\u8868\u5957\u5b57\u7b26\u5982\u4f55\u56de\u5230\u5b57\u7b26\u4e32\" \/><\/p>\n<p><p> <strong>Python\u5217\u8868\u5957\u5b57\u7b26\u5982\u4f55\u56de\u5230\u5b57\u7b26\u4e32\uff0c\u4f7f\u7528join()\u65b9\u6cd5\u3001\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u62fc\u63a5\u3001\u4f7f\u7528map()\u51fd\u6570\u3002\u4f7f\u7528join()\u65b9\u6cd5\u662f\u6700\u5e38\u89c1\u548c\u6700\u7b80\u6d01\u7684\u65b9\u6cd5\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32\u7684\u5217\u8868\uff0c\u5e76\u4e14\u4f60\u60f3\u5c06\u5176\u8f6c\u6362\u56de\u5355\u4e00\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u3002\u5176\u4e2d\uff0c\u6700\u5e38\u89c1\u548c\u6700\u7b80\u6d01\u7684\u65b9\u6cd5\u662f\u4f7f\u7528Python\u7684\u5185\u7f6e<code>join()<\/code>\u65b9\u6cd5\u3002\u8fd9\u4e2a\u65b9\u6cd5\u4e0d\u4ec5\u9ad8\u6548\uff0c\u800c\u4e14\u4ee3\u7801\u7b80\u6d01\u6613\u8bfb\u3002<\/p>\n<\/p>\n<p><h3>\u4f7f\u7528join()\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p><code>join()<\/code>\u65b9\u6cd5\u662fPython\u63d0\u4f9b\u7684\u7528\u4e8e\u5b57\u7b26\u4e32\u64cd\u4f5c\u7684\u4e00\u4e2a\u5185\u7f6e\u65b9\u6cd5\u3002\u5b83\u7684\u8bed\u6cd5\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u6307\u5b9a\u4e00\u4e2a\u5206\u9694\u7b26\uff0c\u7136\u540e\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u5c06\u5217\u8868\u4e2d\u7684\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">list_of_strings = [&#39;Hello&#39;, &#39;world&#39;, &#39;this&#39;, &#39;is&#39;, &#39;a&#39;, &#39;test&#39;]<\/p>\n<p>result = &#39; &#39;.join(list_of_strings)<\/p>\n<p>print(result)  # \u8f93\u51fa: Hello world this is a test<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u7a7a\u683c\u4f5c\u4e3a\u5206\u9694\u7b26\uff0c\u5c06\u5217\u8868\u4e2d\u7684\u6240\u6709\u5b57\u7b26\u4e32\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5355\u4e00\u7684\u5b57\u7b26\u4e32\u3002\u4f60\u4e5f\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u4f7f\u7528\u5176\u4ed6\u5206\u9694\u7b26\uff0c\u4f8b\u5982\u9017\u53f7\u3001\u7a7a\u5b57\u7b26\u4e32\u7b49\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528join()\u65b9\u6cd5<\/h3>\n<\/p>\n<p><h4>1\u3001\u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n<p><p><code>join()<\/code>\u65b9\u6cd5\u7684\u57fa\u672c\u7528\u6cd5\u975e\u5e38\u76f4\u89c2\u3002\u4f60\u53ea\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u5206\u9694\u7b26\uff0c\u7136\u540e\u5c06\u5176\u5e94\u7528\u5230\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\u4e0a\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">list_of_strings = [&#39;apple&#39;, &#39;banana&#39;, &#39;cherry&#39;]<\/p>\n<p>result = &#39;, &#39;.join(list_of_strings)<\/p>\n<p>print(result)  # \u8f93\u51fa: apple, banana, cherry<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u9017\u53f7\u548c\u7a7a\u683c\u4f5c\u4e3a\u5206\u9694\u7b26\uff0c\u5c06\u5217\u8868\u4e2d\u7684\u5b57\u7b26\u4e32\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u5904\u7406\u7a7a\u5217\u8868<\/h4>\n<\/p>\n<p><p>\u5f53\u5217\u8868\u4e3a\u7a7a\u65f6\uff0c<code>join()<\/code>\u65b9\u6cd5\u4f1a\u8fd4\u56de\u4e00\u4e2a\u7a7a\u5b57\u7b26\u4e32\u3002\u8fd9\u662f\u4e00\u4e2a\u6709\u7528\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u907f\u514d\u5728\u8fde\u63a5\u5b57\u7b26\u4e32\u65f6\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">empty_list = []<\/p>\n<p>result = &#39;&#39;.join(empty_list)<\/p>\n<p>print(result)  # \u8f93\u51fa: \uff08\u7a7a\u5b57\u7b26\u4e32\uff09<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3\u3001\u5904\u7406\u5305\u542b\u975e\u5b57\u7b26\u4e32\u5143\u7d20\u7684\u5217\u8868<\/h4>\n<\/p>\n<p><p><code>join()<\/code>\u65b9\u6cd5\u8981\u6c42\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u90fd\u662f\u5b57\u7b26\u4e32\u3002\u5982\u679c\u5217\u8868\u4e2d\u5305\u542b\u975e\u5b57\u7b26\u4e32\u5143\u7d20\uff0c\u4f60\u9700\u8981\u5148\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">mixed_list = [&#39;I have&#39;, 2, &#39;apples&#39;]<\/p>\n<p>result = &#39; &#39;.join(map(str, mixed_list))<\/p>\n<p>print(result)  # \u8f93\u51fa: I have 2 apples<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>map()<\/code>\u51fd\u6570\u5c06\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u518d\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u62fc\u63a5<\/h3>\n<\/p>\n<p><p>\u5c3d\u7ba1<code>join()<\/code>\u65b9\u6cd5\u662f\u6700\u5e38\u7528\u7684\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u62fc\u63a5\u5b57\u7b26\u4e32\u3002\u8fd9\u79cd\u65b9\u6cd5\u901a\u5e38\u4e0d\u5982<code>join()<\/code>\u65b9\u6cd5\u9ad8\u6548\uff0c\u4f46\u5728\u5904\u7406\u590d\u6742\u903b\u8f91\u65f6\u53ef\u80fd\u66f4\u7075\u6d3b\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u4f7f\u7528for\u5faa\u73af<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">list_of_strings = [&#39;Python&#39;, &#39;is&#39;, &#39;great&#39;]<\/p>\n<p>result = &#39;&#39;<\/p>\n<p>for string in list_of_strings:<\/p>\n<p>    result += string + &#39; &#39;<\/p>\n<p>result = result.strip()  # \u53bb\u9664\u672b\u5c3e\u591a\u4f59\u7684\u7a7a\u683c<\/p>\n<p>print(result)  # \u8f93\u51fa: Python is great<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2a<code>for<\/code>\u5faa\u73af\u904d\u5386\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u624b\u52a8\u5c06\u5176\u8fde\u63a5\u5230\u4e00\u4e2a\u7ed3\u679c\u5b57\u7b26\u4e32\u4e2d\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u7ed3\u679c\u5b57\u7b26\u4e32\u672b\u5c3e\u7684\u591a\u4f59\u7a7a\u683c\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/h4>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u5217\u8868\u751f\u6210\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">list_of_strings = [&#39;one&#39;, &#39;two&#39;, &#39;three&#39;]<\/p>\n<p>result = &#39;&#39;.join([s + &#39; &#39; for s in list_of_strings]).strip()<\/p>\n<p>print(result)  # \u8f93\u51fa: one two three<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u539f\u5217\u8868\u5143\u7d20\u52a0\u4e0a\u4e00\u4e2a\u7a7a\u683c\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\u5c06\u5176\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5e76\u53bb\u9664\u672b\u5c3e\u7684\u591a\u4f59\u7a7a\u683c\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528map()\u51fd\u6570<\/h3>\n<\/p>\n<p><p><code>map()<\/code>\u51fd\u6570\u53ef\u4ee5\u5728\u4e0d\u663e\u5f0f\u7f16\u5199\u5faa\u73af\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u4e00\u4e2a\u51fd\u6570\u5e94\u7528\u5230\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u6bcf\u4e2a\u5143\u7d20\u4e0a\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u4e0ejoin()\u65b9\u6cd5\u7ed3\u5408\u4f7f\u7528<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">list_of_strings = [&#39;this&#39;, &#39;is&#39;, &#39;a&#39;, &#39;test&#39;]<\/p>\n<p>result = &#39; &#39;.join(map(str, list_of_strings))<\/p>\n<p>print(result)  # \u8f93\u51fa: this is a test<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06<code>map()<\/code>\u51fd\u6570\u4e0e<code>join()<\/code>\u65b9\u6cd5\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u786e\u4fdd\u6240\u6709\u5143\u7d20\u90fd\u88ab\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u518d\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u5904\u7406\u5305\u542b\u590d\u6742\u6570\u636e\u7ed3\u6784\u7684\u5217\u8868<\/h4>\n<\/p>\n<p><p>\u5728\u5904\u7406\u5305\u542b\u590d\u6742\u6570\u636e\u7ed3\u6784\u7684\u5217\u8868\u65f6\uff0c<code>map()<\/code>\u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u7b80\u5316\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">complex_list = [{&#39;key&#39;: &#39;value&#39;}, [&#39;nested&#39;, &#39;list&#39;], &#39;string&#39;]<\/p>\n<p>result = &#39; | &#39;.join(map(str, complex_list))<\/p>\n<p>print(result)  # \u8f93\u51fa: {&#39;key&#39;: &#39;value&#39;} | [&#39;nested&#39;, &#39;list&#39;] | string<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>map()<\/code>\u51fd\u6570\u5c06\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u4f7f\u7528\u7ad6\u7ebf\u5206\u9694\u7b26\u5c06\u5176\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n<p><p>\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5728\u4e0d\u663e\u5f0f\u521b\u5efa\u4e2d\u95f4\u5217\u8868\u7684\u60c5\u51b5\u4e0b\uff0c\u9010\u4e2a\u751f\u6210\u5143\u7d20\u3002\u4e0e\u5217\u8868\u63a8\u5bfc\u5f0f\u4e0d\u540c\uff0c\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u4f7f\u7528\u5706\u62ec\u53f7\u800c\u4e0d\u662f\u65b9\u62ec\u53f7\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u4e0ejoin()\u65b9\u6cd5\u7ed3\u5408\u4f7f\u7528<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">list_of_strings = [&#39;generator&#39;, &#39;expressions&#39;, &#39;are&#39;, &#39;cool&#39;]<\/p>\n<p>result = &#39; &#39;.join(s for s in list_of_strings)<\/p>\n<p>print(result)  # \u8f93\u51fa: generator expressions are cool<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u751f\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u5e8f\u5217\uff0c\u5e76\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\u5c06\u5176\u8fde\u63a5\u6210\u4e00\u4e2a\u5355\u4e00\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u5904\u7406\u5305\u542b\u6761\u4ef6\u903b\u8f91\u7684\u5217\u8868<\/h4>\n<\/p>\n<p><p>\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5904\u7406\u5305\u542b\u6761\u4ef6\u903b\u8f91\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">list_of_strings = [&#39;keep&#39;, &#39;this&#39;, &#39;drop&#39;, &#39;that&#39;]<\/p>\n<p>result = &#39; &#39;.join(s for s in list_of_strings if s != &#39;drop&#39;)<\/p>\n<p>print(result)  # \u8f93\u51fa: keep this that<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u8fc7\u6ee4\u6389\u5217\u8868\u4e2d\u7684\u67d0\u4e9b\u5143\u7d20\uff0c\u7136\u540e\u5c06\u5269\u4f59\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u4f7f\u7528\u51fd\u6570\u5c01\u88c5<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8fde\u63a5\u903b\u8f91\u5c01\u88c5\u5230\u4e00\u4e2a\u51fd\u6570\u4e2d\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\u4ee3\u7801\uff0c\u5e76\u4e14\u4f7f\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684\u8fde\u63a5\u51fd\u6570<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">def list_to_string(lst, sep=&#39; &#39;):<\/p>\n<p>    return sep.join(map(str, lst))<\/p>\n<p>list_of_strings = [&#39;function&#39;, &#39;encapsulation&#39;, &#39;is&#39;, &#39;useful&#39;]<\/p>\n<p>result = list_to_string(list_of_strings, &#39;-&#39;)<\/p>\n<p>print(result)  # \u8f93\u51fa: function-encapsulation-is-useful<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a<code>list_to_string<\/code>\u7684\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u5217\u8868\u548c\u4e00\u4e2a\u53ef\u9009\u7684\u5206\u9694\u7b26\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u8fde\u63a5\u540e\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u5904\u7406\u590d\u6742\u903b\u8f91<\/h4>\n<\/p>\n<p><p>\u4f60\u8fd8\u53ef\u4ee5\u5728\u51fd\u6570\u4e2d\u5904\u7406\u66f4\u590d\u6742\u7684\u903b\u8f91\uff0c\u4f8b\u5982\u8fc7\u6ee4\u3001\u8f6c\u6362\u7b49\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def list_to_string(lst, sep=&#39; &#39;, filter_func=None, transform_func=None):<\/p>\n<p>    if filter_func:<\/p>\n<p>        lst = filter(filter_func, lst)<\/p>\n<p>    if transform_func:<\/p>\n<p>        lst = map(transform_func, lst)<\/p>\n<p>    return sep.join(map(str, lst))<\/p>\n<p>list_of_strings = [&#39;keep&#39;, &#39;this&#39;, &#39;drop&#39;, &#39;that&#39;]<\/p>\n<p>result = list_to_string(list_of_strings, &#39; &#39;, filter_func=lambda x: x != &#39;drop&#39;, transform_func=str.upper)<\/p>\n<p>print(result)  # \u8f93\u51fa: KEEP THIS THAT<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u6269\u5c55\u4e86<code>list_to_string<\/code>\u51fd\u6570\uff0c\u4f7f\u5176\u53ef\u4ee5\u63a5\u53d7\u8fc7\u6ee4\u51fd\u6570\u548c\u8f6c\u6362\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u4ee5\u4fbf\u5728\u8fde\u63a5\u5b57\u7b26\u4e32\u4e4b\u524d\u5bf9\u5217\u8868\u5143\u7d20\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<\/p>\n<p><h3>\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u5c06Python\u5217\u8868\u4e2d\u7684\u5b57\u7b26\u4e32\u5143\u7d20\u8fde\u63a5\u6210\u5355\u4e00\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u79cd\u3002\u6700\u5e38\u7528\u548c\u6700\u7b80\u6d01\u7684\u65b9\u6cd5\u662f\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\uff0c\u4f46\u5728\u5904\u7406\u590d\u6742\u903b\u8f91\u65f6\uff0c\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u62fc\u63a5\u3001\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u6216\u51fd\u6570\u5c01\u88c5\u53ef\u80fd\u66f4\u52a0\u7075\u6d3b\u3002\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\u548c\u4ee3\u7801\u53ef\u8bfb\u6027\u8fdb\u884c\u6743\u8861\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u5730\u5904\u7406\u5b57\u7b26\u4e32\u8fde\u63a5\u4efb\u52a1\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff0c\u5e76\u80fd\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u5e94\u7528\u8fd9\u4e9b\u6280\u5de7\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5c06Python\u5217\u8868\u4e2d\u7684\u5b57\u7b26\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\u5c06\u5217\u8868\u4e2d\u7684\u5b57\u7b26\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u7ed9\u5b9a\u4e00\u4e2a\u5b57\u7b26\u5217\u8868<code>char_list = [&#39;H&#39;, &#39;e&#39;, &#39;l&#39;, &#39;l&#39;, &#39;o&#39;]<\/code>\uff0c\u53ef\u4ee5\u4f7f\u7528<code>&#39;&#39;.join(char_list)<\/code>\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<code>&#39;Hello&#39;<\/code>\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u9ad8\u6548\uff0c\u800c\u4e14\u7b80\u6d01\uff0c\u975e\u5e38\u9002\u5408\u5904\u7406\u5b57\u7b26\u5217\u8868\u7684\u573a\u666f\u3002<\/p>\n<p><strong>\u5982\u679c\u5217\u8868\u4e2d\u5305\u542b\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u5143\u7d20\uff0c\u5982\u4f55\u5904\u7406\uff1f<\/strong><br \/>\u5f53\u5217\u8868\u4e2d\u5305\u542b\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u5143\u7d20\u65f6\uff0c\u76f4\u63a5\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u5c06\u6240\u6709\u5143\u7d20\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c<code>mixed_list = [&#39;H&#39;, &#39;e&#39;, 1, &#39;l&#39;, &#39;l&#39;, &#39;o&#39;]<\/code>\u53ef\u4ee5\u901a\u8fc7<code>&#39;&#39;.join(str(i) for i in mixed_list)<\/code>\u6765\u5904\u7406\uff0c\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u5143\u7d20\u90fd\u88ab\u6b63\u786e\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u6709\u6ca1\u6709\u5176\u4ed6\u65b9\u6cd5\u5c06\u5b57\u7b26\u5217\u8868\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1f<\/strong><br \/>\u9664\u4e86\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u904d\u5386\u5b57\u7b26\u5217\u8868\u5e76\u624b\u52a8\u62fc\u63a5\u5b57\u7b26\u4e32\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u7a7a\u5b57\u7b26\u4e32<code>result = &#39;&#39;<\/code>\uff0c\u7136\u540e\u901a\u8fc7\u5faa\u73af\u5c06\u6bcf\u4e2a\u5b57\u7b26\u6dfb\u52a0\u5230\u8fd9\u4e2a\u5b57\u7b26\u4e32\u4e2d\u3002\u4e0d\u8fc7\uff0c\u8fd9\u79cd\u65b9\u6cd5\u76f8\u5bf9\u8f83\u6162\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u578b\u5217\u8868\u65f6\uff0c\u4e0d\u5982<code>join()<\/code>\u65b9\u6cd5\u9ad8\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5217\u8868\u5957\u5b57\u7b26\u5982\u4f55\u56de\u5230\u5b57\u7b26\u4e32\uff0c\u4f7f\u7528join()\u65b9\u6cd5\u3001\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u62fc\u63a5\u3001\u4f7f\u7528map()\u51fd\u6570\u3002\u4f7f\u7528join [&hellip;]","protected":false},"author":3,"featured_media":1103257,"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\/1103239"}],"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=1103239"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1103239\/revisions"}],"predecessor-version":[{"id":1103264,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1103239\/revisions\/1103264"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1103257"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1103239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1103239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1103239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}