{"id":1073850,"date":"2025-01-08T11:29:19","date_gmt":"2025-01-08T03:29:19","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1073850.html"},"modified":"2025-01-08T11:29:21","modified_gmt":"2025-01-08T03:29:21","slug":"%e5%a6%82%e4%bd%95%e8%bf%9e%e6%8e%a5%e5%88%97%e8%a1%a8%e5%ad%97%e7%ac%a6%e4%b8%b2python-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1073850.html","title":{"rendered":"\u5982\u4f55\u8fde\u63a5\u5217\u8868\u5b57\u7b26\u4e32python"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25103647\/26218d0e-39b6-4181-afc5-0bf12b49bdd3.webp\" alt=\"\u5982\u4f55\u8fde\u63a5\u5217\u8868\u5b57\u7b26\u4e32python\" \/><\/p>\n<p><p> <strong>\u8981\u8fde\u63a5\u5217\u8868\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528join\u65b9\u6cd5\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u6216\u662f\u4f7f\u7528for\u5faa\u73af\u6765\u5b9e\u73b0\u3002<\/strong>\u5728Python\u4e2d\uff0c\u8fde\u63a5\u5217\u8868\u5b57\u7b26\u4e32\u662f\u4e00\u9879\u5e38\u89c1\u7684\u64cd\u4f5c\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u6587\u672c\u6570\u636e\u65f6\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u65b9\u6cd5\uff0c\u5e76\u4e3e\u4f8b\u8bf4\u660e\u5982\u4f55\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528join\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528join\u65b9\u6cd5\u662f\u8fde\u63a5\u5217\u8868\u5b57\u7b26\u4e32\u6700\u7b80\u6d01\u548c\u6700\u5e38\u7528\u7684\u65b9\u5f0f\u3002join\u65b9\u6cd5\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u65b9\u6cd5\uff0c\u5b83\u5c06\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5e76\u5728\u6bcf\u4e2a\u5143\u7d20\u4e4b\u95f4\u63d2\u5165\u6307\u5b9a\u7684\u5206\u9694\u7b26\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>list_of_strings = [&quot;Hello&quot;, &quot;world&quot;, &quot;this&quot;, &quot;is&quot;, &quot;Python&quot;]<\/p>\n<p>delimiter = &quot; &quot;<\/p>\n<p>result = delimiter.join(list_of_strings)<\/p>\n<p>print(result)  # \u8f93\u51fa: Hello world this is Python<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u89e3\u91ca<\/strong>\uff1a<\/p>\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32\u7684\u5217\u8868<code>list_of_strings<\/code>\uff0c\u6211\u4eec\u4f7f\u7528\u7a7a\u683c\u4f5c\u4e3a\u5206\u9694\u7b26\uff0c\u901a\u8fc7\u8c03\u7528<code>delimiter.join(list_of_strings)<\/code>\u5c06\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u4e32\u5143\u7d20\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u8bed\u6cd5\uff0c\u5b83\u5141\u8bb8\u4f60\u5728\u4e00\u884c\u4ee3\u7801\u4e2d\u751f\u6210\u65b0\u7684\u5217\u8868\u3002\u867d\u7136\u5217\u8868\u63a8\u5bfc\u5f0f\u4e0d\u76f4\u63a5\u7528\u4e8e\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c\u4f46\u5b83\u53ef\u4ee5\u4e0e\u5176\u4ed6\u65b9\u6cd5\u7ed3\u5408\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>list_of_strings = [&quot;Hello&quot;, &quot;world&quot;, &quot;this&quot;, &quot;is&quot;, &quot;Python&quot;]<\/p>\n<p>result = &#39;&#39;.join([str(elem) for elem in list_of_strings])<\/p>\n<p>print(result)  # \u8f93\u51fa: HelloworldthisisPython<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u89e3\u91ca<\/strong>\uff1a<\/p>\n<p>\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u4e86\u5217\u8868\u63a8\u5bfc\u5f0f\u751f\u6210\u4e00\u4e2a\u5305\u542b\u6240\u6709\u5b57\u7b26\u4e32\u5143\u7d20\u7684\u65b0\u5217\u8868\uff0c\u7136\u540e\u4f7f\u7528join\u65b9\u6cd5\u5c06\u5176\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u6ce8\u610f\uff0c\u8fd9\u91cc\u6ca1\u6709\u6307\u5b9a\u4efb\u4f55\u5206\u9694\u7b26\uff0c\u56e0\u6b64\u8fde\u63a5\u540e\u7684\u5b57\u7b26\u4e32\u662f\u8fde\u7eed\u7684\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528for\u5faa\u73af<\/h3>\n<\/p>\n<p><p>for\u5faa\u73af\u662f\u4e00\u79cd\u8f83\u4e3a\u57fa\u7840\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u590d\u6742\u5904\u7406\u7684\u60c5\u51b5\u3002\u4f60\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u9010\u4e2a\u8fde\u63a5\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>list_of_strings = [&quot;Hello&quot;, &quot;world&quot;, &quot;this&quot;, &quot;is&quot;, &quot;Python&quot;]<\/p>\n<p>result = &quot;&quot;<\/p>\n<p>for string in list_of_strings:<\/p>\n<p>    result += string + &quot; &quot;<\/p>\n<p>result = result.strip()  # \u53bb\u9664\u672b\u5c3e\u591a\u4f59\u7684\u7a7a\u683c<\/p>\n<p>print(result)  # \u8f93\u51fa: Hello world this is Python<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u89e3\u91ca<\/strong>\uff1a<\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2afor\u5faa\u73af\u904d\u5386\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u4e32\uff0c\u5e76\u5c06\u5176\u8fde\u63a5\u5230\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\u591a\u4f59\u7684\u7a7a\u683c\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u5904\u7406\u5305\u542b\u975e\u5b57\u7b26\u4e32\u5143\u7d20\u7684\u5217\u8868<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u5217\u8868\u4e2d\u53ef\u80fd\u5305\u542b\u975e\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u5143\u7d20\uff0c\u5982\u6574\u6570\u6216\u6d6e\u70b9\u6570\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u5148\u5c06\u6240\u6709\u5143\u7d20\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u7136\u540e\u518d\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>mixed_list = [&quot;Hello&quot;, 123, &quot;world&quot;, 456, &quot;Python&quot;]<\/p>\n<p>result = &quot; &quot;.join(map(str, mixed_list))<\/p>\n<p>print(result)  # \u8f93\u51fa: Hello 123 world 456 Python<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u89e3\u91ca<\/strong>\uff1a<\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\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\u7c7b\u578b\uff0c\u7136\u540e\u4f7f\u7528join\u65b9\u6cd5\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u5904\u7406\u5d4c\u5957\u5217\u8868<\/h3>\n<\/p>\n<p><p>\u6709\u65f6\uff0c\u5217\u8868\u4e2d\u53ef\u80fd\u5305\u542b\u5d4c\u5957\u7684\u5217\u8868\uff0c\u9700\u8981\u5c06\u5b83\u4eec\u5c55\u5e73\u5e76\u8fde\u63a5\u3002\u53ef\u4ee5\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u6216itertools\u6a21\u5757\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>from itertools import ch<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n<\/p>\n<p>nested_list = [[&quot;Hello&quot;, &quot;world&quot;], [&quot;this&quot;, &quot;is&quot;], [&quot;Python&quot;]]<\/p>\n<p>flattened_list = list(chain.from_iterable(nested_list))<\/p>\n<p>result = &quot; &quot;.join(flattened_list)<\/p>\n<p>print(result)  # \u8f93\u51fa: Hello world this is Python<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u89e3\u91ca<\/strong>\uff1a<\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>itertools.chain<\/code>\u65b9\u6cd5\u5c06\u5d4c\u5957\u5217\u8868\u5c55\u5e73\uff0c\u7136\u540e\u4f7f\u7528join\u65b9\u6cd5\u8fde\u63a5\u5c55\u5e73\u540e\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u8fde\u63a5\u5e26\u6709\u6761\u4ef6\u7684\u5b57\u7b26\u4e32<\/h3>\n<\/p>\n<p><p>\u6709\u65f6\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u8fde\u63a5\u5217\u8868\u4e2d\u7684\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u53ea\u8fde\u63a5\u957f\u5ea6\u5927\u4e8e3\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>list_of_strings = [&quot;Hi&quot;, &quot;world&quot;, &quot;this&quot;, &quot;is&quot;, &quot;Python&quot;]<\/p>\n<p>result = &quot; &quot;.join([s for s in list_of_strings if len(s) &gt; 3])<\/p>\n<p>print(result)  # \u8f93\u51fa: world this Python<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u89e3\u91ca<\/strong>\uff1a<\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u6839\u636e\u6761\u4ef6\u8fc7\u6ee4\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u7136\u540e\u4f7f\u7528join\u65b9\u6cd5\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u8fde\u63a5\u5927\u6570\u636e\u5217\u8868<\/h3>\n<\/p>\n<p><p>\u5728\u5904\u7406\u5927\u6570\u636e\u5217\u8868\u65f6\uff0c\u76f4\u63a5\u4f7f\u7528<code>+<\/code>\u64cd\u4f5c\u7b26\u8fde\u63a5\u5b57\u7b26\u4e32\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002\u4e3a\u4e86\u63d0\u9ad8\u6548\u7387\uff0c\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>large_list = [&quot;string&quot;] * 1000000  # \u793a\u4f8b\u5927\u6570\u636e\u5217\u8868<\/p>\n<p>result = &quot; &quot;.join(str(s) for s in large_list)<\/p>\n<p>print(result[:50])  # \u8f93\u51fa: string string string string string ...<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u89e3\u91ca<\/strong>\uff1a<\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u907f\u514d\u521b\u5efa\u4e2d\u95f4\u5217\u8868\uff0c\u4ece\u800c\u63d0\u9ad8\u8fde\u63a5\u5927\u6570\u636e\u5217\u8868\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n<p><h3>\u516b\u3001\u5904\u7406\u591a\u884c\u5b57\u7b26\u4e32<\/h3>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5c06\u591a\u884c\u5b57\u7b26\u4e32\u8fde\u63a5\u6210\u4e00\u884c\u3002\u53ef\u4ee5\u4f7f\u7528splitlines\u65b9\u6cd5\u5206\u5272\u591a\u884c\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u4f7f\u7528join\u65b9\u6cd5\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>multi_line_string = &quot;&quot;&quot;Hello<\/p>\n<p>world<\/p>\n<p>this<\/p>\n<p>is<\/p>\n<p>Python&quot;&quot;&quot;<\/p>\n<p>list_of_lines = multi_line_string.splitlines()<\/p>\n<p>result = &quot; &quot;.join(list_of_lines)<\/p>\n<p>print(result)  # \u8f93\u51fa: Hello world this is Python<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u89e3\u91ca<\/strong>\uff1a<\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528<code>splitlines()<\/code>\u65b9\u6cd5\u5c06\u591a\u884c\u5b57\u7b26\u4e32\u5206\u5272\u6210\u5217\u8868\uff0c\u7136\u540e\u4f7f\u7528join\u65b9\u6cd5\u8fde\u63a5\u6210\u4e00\u884c\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><h3>\u4e5d\u3001\u8fde\u63a5\u5b57\u5178\u7684\u952e\u6216\u503c<\/h3>\n<\/p>\n<p><p>\u6709\u65f6\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u8fde\u63a5\u5b57\u5178\u7684\u952e\u6216\u503c\u3002\u53ef\u4ee5\u4f7f\u7528\u5b57\u5178\u7684keys()\u6216values()\u65b9\u6cd5\u83b7\u53d6\u952e\u6216\u503c\u7684\u89c6\u56fe\uff0c\u7136\u540e\u4f7f\u7528join\u65b9\u6cd5\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>dictionary = {&quot;name&quot;: &quot;Alice&quot;, &quot;age&quot;: 25, &quot;city&quot;: &quot;New York&quot;}<\/p>\n<p>result_keys = &quot;, &quot;.join(dictionary.keys())<\/p>\n<p>result_values = &quot;, &quot;.join(map(str, dictionary.values()))<\/p>\n<p>print(result_keys)  # \u8f93\u51fa: name, age, city<\/p>\n<p>print(result_values)  # \u8f93\u51fa: Alice, 25, New York<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u89e3\u91ca<\/strong>\uff1a<\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5206\u522b\u83b7\u53d6\u5b57\u5178\u7684\u952e\u548c\u503c\uff0c\u5e76\u4f7f\u7528join\u65b9\u6cd5\u8fde\u63a5\u6210\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><h3>\u5341\u3001\u5904\u7406\u590d\u6742\u5bf9\u8c61\u7684\u5217\u8868<\/h3>\n<\/p>\n<p><p>\u5982\u679c\u5217\u8868\u4e2d\u5305\u542b\u590d\u6742\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\u63d0\u53d6\u5bf9\u8c61\u7684\u7279\u5b9a\u5c5e\u6027\uff0c\u7136\u540e\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u793a\u4f8b\u4ee3\u7801<\/p>\n<p>class Person:<\/p>\n<p>    def __init__(self, name, age):<\/p>\n<p>        self.name = name<\/p>\n<p>        self.age = age<\/p>\n<p>people = [Person(&quot;Alice&quot;, 25), Person(&quot;Bob&quot;, 30), Person(&quot;Charlie&quot;, 35)]<\/p>\n<p>result = &quot;, &quot;.join([p.name for p in people])<\/p>\n<p>print(result)  # \u8f93\u51fa: Alice, Bob, Charlie<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u89e3\u91ca<\/strong>\uff1a<\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aPerson\u7c7b\uff0c\u5e76\u521b\u5efa\u4e86\u5305\u542b\u591a\u4e2aPerson\u5bf9\u8c61\u7684\u5217\u8868\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u63d0\u53d6\u6bcf\u4e2a\u5bf9\u8c61\u7684name\u5c5e\u6027\uff0c\u5e76\u4f7f\u7528join\u65b9\u6cd5\u8fde\u63a5\u6210\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><p>\u7efc\u4e0a\u6240\u8ff0\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8fde\u63a5\u5217\u8868\u5b57\u7b26\u4e32\uff0c\u5305\u62ec\u4f7f\u7528join\u65b9\u6cd5\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001for\u5faa\u73af\u7b49\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6267\u884c\u6548\u7387\u3002\u5728\u5904\u7406\u5305\u542b\u975e\u5b57\u7b26\u4e32\u5143\u7d20\u3001\u5d4c\u5957\u5217\u8868\u3001\u5927\u6570\u636e\u5217\u8868\u7b49\u590d\u6742\u60c5\u51b5\u65f6\uff0c\u4e5f\u53ef\u4ee5\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\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\u5728Python\u4e2d\u5c06\u5217\u8868\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\u5c06\u5217\u8868\u4e2d\u7684\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u8fd9\u4e2a\u65b9\u6cd5\u5728\u5b57\u7b26\u4e32\u4e0a\u8c03\u7528\uff0c\u5e76\u4f20\u5165\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5217\u8868\uff09\u3002\u4f8b\u5982\uff0c<code>&#39;,&#39;.join(my_list)<\/code>\u5c06\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u7528\u9017\u53f7\u8fde\u63a5\u8d77\u6765\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5217\u8868\u4e2d\u7684\u5143\u7d20\u5fc5\u987b\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u5426\u5219\u4f1a\u5f15\u53d1\u9519\u8bef\u3002<\/p>\n<p><strong>\u5728\u8fde\u63a5\u5b57\u7b26\u4e32\u65f6\uff0c\u5982\u4f55\u5904\u7406\u5217\u8868\u4e2d\u7684\u7a7a\u503c\u6216None\uff1f<\/strong><br \/>\u5f53\u5217\u8868\u4e2d\u5b58\u5728\u7a7a\u503c\u6216<code>None<\/code>\u65f6\uff0c\u53ef\u4ee5\u5728\u8fde\u63a5\u4e4b\u524d\u5148\u8fdb\u884c\u8fc7\u6ee4\u3002\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u5982<code>&#39;,&#39;.join([str(x) for x in my_list if x])<\/code>\u3002\u8fd9\u6761\u8bed\u53e5\u4f1a\u5ffd\u7565\u5217\u8868\u4e2d\u7684\u7a7a\u503c\u548c<code>None<\/code>\uff0c\u53ea\u8fde\u63a5\u6709\u6548\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u662f\u5426\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u5206\u9694\u7b26\u8fde\u63a5\u5217\u8868\u5b57\u7b26\u4e32\uff1f<\/strong><br \/>\u5f53\u7136\u53ef\u4ee5\uff01<code>join()<\/code>\u65b9\u6cd5\u7684\u53c2\u6570\u53ef\u4ee5\u662f\u4efb\u4f55\u5b57\u7b26\u4e32\uff0c\u8fd9\u610f\u5473\u7740\u4f60\u53ef\u4ee5\u9009\u62e9\u4efb\u4f55\u5206\u9694\u7b26\u6765\u8fde\u63a5\u5217\u8868\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u7a7a\u683c\u8fde\u63a5\u65f6\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<code>&#39; &#39;.join(my_list)<\/code>\uff1b\u5982\u679c\u60f3\u7528\u7834\u6298\u53f7\u8fde\u63a5\uff0c\u53ef\u4ee5\u4f7f\u7528<code>&#39;-&#39;<\/code>\u3002\u8fd9\u4f7f\u5f97\u8fde\u63a5\u64cd\u4f5c\u975e\u5e38\u7075\u6d3b\uff0c\u9002\u5e94\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u8fde\u63a5\u5217\u8868\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528join\u65b9\u6cd5\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u6216\u662f\u4f7f\u7528for\u5faa\u73af\u6765\u5b9e\u73b0\u3002\u5728Python\u4e2d\uff0c\u8fde\u63a5\u5217\u8868\u5b57\u7b26\u4e32 [&hellip;]","protected":false},"author":3,"featured_media":1073856,"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\/1073850"}],"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=1073850"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1073850\/revisions"}],"predecessor-version":[{"id":1073858,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1073850\/revisions\/1073858"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1073856"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1073850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1073850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1073850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}