{"id":1128443,"date":"2025-01-08T20:20:33","date_gmt":"2025-01-08T12:20:33","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1128443.html"},"modified":"2025-01-08T20:20:35","modified_gmt":"2025-01-08T12:20:35","slug":"python%e5%a6%82%e4%bd%95%e6%af%8f%e8%a1%8c%e6%b7%bb%e5%8a%a0%e5%ad%97%e7%ac%a6%e5%8e%bb%e6%8e%89%e6%8d%a2%e8%a1%8c%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1128443.html","title":{"rendered":"python\u5982\u4f55\u6bcf\u884c\u6dfb\u52a0\u5b57\u7b26\u53bb\u6389\u6362\u884c\u7b26"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25095148\/cfcc5d6a-f92e-413a-a771-a177e742ad47.webp\" alt=\"python\u5982\u4f55\u6bcf\u884c\u6dfb\u52a0\u5b57\u7b26\u53bb\u6389\u6362\u884c\u7b26\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u6bcf\u884c\u6dfb\u52a0\u5b57\u7b26\u5e76\u53bb\u6389\u6362\u884c\u7b26\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u79cd\uff0c\u4f8b\u5982\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49<\/strong>\u3002\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u5229\u7528\u5b57\u7b26\u4e32\u7684<code>replace()<\/code>\u65b9\u6cd5\u3001<code>strip()<\/code>\u65b9\u6cd5\u6216\u5217\u8868\u63a8\u5bfc\u5f0f\u8fdb\u884c\u5904\u7406\u3002<strong>\u5b57\u7b26\u4e32\u65b9\u6cd5\u7b80\u5355\u6613\u7528\u3001\u4ee3\u7801\u7b80\u6d01\u3001\u9002\u5408\u521d\u5b66\u8005<\/strong>\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>replace(&quot;\\n&quot;, &quot;&quot;)<\/code>\u6765\u53bb\u6389\u6362\u884c\u7b26\uff0c\u7136\u540e\u901a\u8fc7\u5b57\u7b26\u4e32\u62fc\u63a5\u7684\u65b9\u5f0f\u6dfb\u52a0\u5b57\u7b26\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u7684\u5177\u4f53\u5b9e\u73b0\u548c\u9002\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n<h2><strong>\u4e00\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5<\/strong><\/h2>\n<p><p>\u5b57\u7b26\u4e32\u65b9\u6cd5\u662f\u5904\u7406\u6587\u672c\u7684\u5e38\u7528\u5de5\u5177\uff0c\u5177\u6709\u7b80\u5355\u3001\u76f4\u89c2\u7684\u7279\u70b9\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7<code>replace()<\/code>\u65b9\u6cd5\u53bb\u6389\u6362\u884c\u7b26\uff0c\u518d\u901a\u8fc7\u5b57\u7b26\u4e32\u62fc\u63a5\u6dfb\u52a0\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def add_characters_and_remove_newlines(text, char_to_add):<\/p>\n<p>    lines = text.split(&#39;\\n&#39;)<\/p>\n<p>    new_lines = [line + char_to_add for line in lines if line.strip() != &quot;&quot;]<\/p>\n<p>    return &quot;&quot;.join(new_lines)<\/p>\n<p>text = &quot;Hello\\nWorld\\nPython\\n&quot;<\/p>\n<p>char_to_add = &quot;!&quot;<\/p>\n<p>result = add_characters_and_remove_newlines(text, char_to_add)<\/p>\n<p>print(result)  # Output: Hello!World!Python!<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>split(&#39;\\n&#39;)<\/code>\u5c06\u6587\u672c\u6309\u6362\u884c\u7b26\u5206\u5272\u6210\u5217\u8868\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f\u5c06\u5b57\u7b26\u6dfb\u52a0\u5230\u6bcf\u884c\u7684\u672b\u5c3e\uff0c\u5e76\u53bb\u9664\u7a7a\u884c\uff0c\u6700\u540e\u901a\u8fc7<code>&quot;&quot;.join(new_lines)<\/code>\u5c06\u5217\u8868\u5408\u5e76\u4e3a\u5355\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<h2><strong>\u4e8c\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/strong><\/h2>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662fPython\u4e2d\u5f3a\u5927\u7684\u7279\u6027\uff0c\u80fd\u591f\u7b80\u6d01\u5730\u751f\u6210\u5217\u8868\u3002\u7ed3\u5408\u5b57\u7b26\u4e32\u7684<code>strip()<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u53bb\u9664\u6bcf\u884c\u7684\u6362\u884c\u7b26\u5e76\u6dfb\u52a0\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def add_characters_and_remove_newlines(text, char_to_add):<\/p>\n<p>    return &quot;&quot;.join([line.strip() + char_to_add for line in text.splitlines() if line.strip()])<\/p>\n<p>text = &quot;&quot;&quot;Hello<\/p>\n<p>World<\/p>\n<p>Python<\/p>\n<p>&quot;&quot;&quot;<\/p>\n<p>char_to_add = &quot;!&quot;<\/p>\n<p>result = add_characters_and_remove_newlines(text, char_to_add)<\/p>\n<p>print(result)  # Output: Hello!World!Python!<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>splitlines()<\/code>\u65b9\u6cd5\u6309\u884c\u5206\u5272\u6587\u672c\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f\u53bb\u9664\u7a7a\u884c\u5e76\u6dfb\u52a0\u5b57\u7b26\uff0c\u6700\u540e\u901a\u8fc7<code>&quot;&quot;.join()<\/code>\u5408\u5e76\u4e3a\u5355\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<h2><strong>\u4e09\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong><\/h2>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6587\u672c\u5904\u7406\u5de5\u5177\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u6587\u672c\u5339\u914d\u548c\u66ff\u6362\u3002\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u53bb\u9664\u6362\u884c\u7b26\u5e76\u6dfb\u52a0\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>def add_characters_and_remove_newlines(text, char_to_add):<\/p>\n<p>    lines = re.split(r&#39;\\n+&#39;, text.strip())<\/p>\n<p>    new_lines = [line + char_to_add for line in lines if line]<\/p>\n<p>    return &quot;&quot;.join(new_lines)<\/p>\n<p>text = &quot;&quot;&quot;Hello<\/p>\n<p>World<\/p>\n<p>Python<\/p>\n<p>&quot;&quot;&quot;<\/p>\n<p>char_to_add = &quot;!&quot;<\/p>\n<p>result = add_characters_and_remove_newlines(text, char_to_add)<\/p>\n<p>print(result)  # Output: Hello!World!Python!<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>re.split(r&#39;\\n+&#39;, text.strip())<\/code>\u6309\u4e00\u4e2a\u6216\u591a\u4e2a\u6362\u884c\u7b26\u5206\u5272\u6587\u672c\uff0c\u53bb\u9664\u9996\u5c3e\u7a7a\u767d\u5b57\u7b26\u3002\u5217\u8868\u63a8\u5bfc\u5f0f\u6dfb\u52a0\u5b57\u7b26\u5e76\u53bb\u9664\u7a7a\u884c\uff0c\u6700\u540e\u901a\u8fc7<code>&quot;&quot;.join(new_lines)<\/code>\u5408\u5e76\u4e3a\u5355\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<h2><strong>\u56db\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6027\u80fd\u8003\u8651<\/strong><\/h2>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u573a\u666f\u548c\u6027\u80fd\u9700\u6c42\u3002<\/p>\n<\/p>\n<p><h2>1\u3001\u5904\u7406\u5c0f\u578b\u6587\u672c<\/h2>\n<\/p>\n<p><p>\u5bf9\u4e8e\u5c0f\u578b\u6587\u672c\uff0c\u5b57\u7b26\u4e32\u65b9\u6cd5\u548c\u5217\u8868\u63a8\u5bfc\u5f0f\u8db3\u591f\u9ad8\u6548\uff0c\u4ee3\u7801\u7b80\u6d01\u6613\u8bfb\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5904\u7406\u5c0f\u578b\u6587\u672c\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">text = &quot;Hello\\nWorld\\nPython\\n&quot;<\/p>\n<p>char_to_add = &quot;!&quot;<\/p>\n<p>result = add_characters_and_remove_newlines(text, char_to_add)<\/p>\n<p>print(result)  # Output: Hello!World!Python!<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>2\u3001\u5904\u7406\u5927\u578b\u6587\u672c<\/h2>\n<\/p>\n<p><p>\u5bf9\u4e8e\u5927\u578b\u6587\u672c\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5904\u7406\u5927\u578b\u6587\u672c\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>def add_characters_and_remove_newlines(text, char_to_add):<\/p>\n<p>    lines = re.split(r&#39;\\n+&#39;, text.strip())<\/p>\n<p>    new_lines = (line + char_to_add for line in lines if line)<\/p>\n<p>    return &quot;&quot;.join(new_lines)<\/p>\n<h2><strong>\u5047\u8bbe text \u662f\u4e00\u4e2a\u5927\u578b\u6587\u672c<\/strong><\/h2>\n<h2><strong>text = open(&#39;large_text_file.txt&#39;).read()<\/strong><\/h2>\n<p>char_to_add = &quot;!&quot;<\/p>\n<p>result = add_characters_and_remove_newlines(text, char_to_add)<\/p>\n<p>print(result)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u751f\u6210\u5668\u8868\u8fbe\u5f0f<code>(line + char_to_add for line in lines if line)<\/code>\u907f\u514d\u4e86\u521b\u5efa\u4e2d\u95f4\u5217\u8868\uff0c\u8282\u7701\u5185\u5b58\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<\/p>\n<h2><strong>\u4e94\u3001\u603b\u7ed3<\/strong><\/h2>\n<p><p>\u5728Python\u4e2d\uff0c\u6bcf\u884c\u6dfb\u52a0\u5b57\u7b26\u5e76\u53bb\u6389\u6362\u884c\u7b26\u7684\u65b9\u6cd5\u6709\u591a\u79cd\u9009\u62e9\u3002<strong>\u5b57\u7b26\u4e32\u65b9\u6cd5\u7b80\u5355\u6613\u7528\uff0c\u9002\u5408\u521d\u5b66\u8005\uff1b\u5217\u8868\u63a8\u5bfc\u5f0f\u4ee3\u7801\u7b80\u6d01\uff0c\u9ad8\u6548\u5904\u7406\u5c0f\u578b\u6587\u672c\uff1b\u6b63\u5219\u8868\u8fbe\u5f0f\u9002\u7528\u4e8e\u590d\u6742\u6587\u672c\u5904\u7406\uff1b\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u5728\u5904\u7406\u5927\u578b\u6587\u672c\u65f6\u8282\u7701\u5185\u5b58\uff0c\u63d0\u9ad8\u6027\u80fd<\/strong>\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u5e94\u7528\u573a\u666f\u548c\u6027\u80fd\u9700\u6c42\u3002\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u5e0c\u671b\u80fd\u591f\u5e2e\u52a9\u4f60\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u63d0\u5347\u4ee3\u7801\u8d28\u91cf\u548c\u6267\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u6362\u884c\u7b26\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>str.replace()<\/code>\u65b9\u6cd5\u6765\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u6362\u884c\u7b26\u3002\u53ea\u9700\u8c03\u7528\u8be5\u65b9\u6cd5\uff0c\u5e76\u5c06\u6362\u884c\u7b26\uff08<code>\\n<\/code>\uff09\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-python\">text = &quot;Hello\\nWorld&quot;\ntext_no_newline = text.replace(&quot;\\n&quot;, &quot;&quot;)\nprint(text_no_newline)  # \u8f93\u51fa: HelloWorld\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u5904\u7406\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728\u5904\u7406\u6587\u4ef6\u65f6\u9010\u884c\u6dfb\u52a0\u5b57\u7b26\u5e76\u53bb\u6389\u6362\u884c\u7b26\uff1f<\/strong><br \/>\u5728\u5904\u7406\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u4f7f\u7528<code>str.replace()<\/code>\u6216<code>str.rstrip()<\/code>\u65b9\u6cd5\u53bb\u6389\u6bcf\u884c\u7684\u6362\u884c\u7b26\uff0c\u5e76\u6dfb\u52a0\u6240\u9700\u7684\u5b57\u7b26\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">with open(&#39;input.txt&#39;, &#39;r&#39;) as file:\n    for line in file:\n        modified_line = line.rstrip(&#39;\\n&#39;) + &quot;\u6dfb\u52a0\u7684\u5b57\u7b26&quot;\n        print(modified_line)\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u786e\u4fdd\u6bcf\u884c\u90fd\u80fd\u88ab\u6709\u6548\u5904\u7406\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u5982\u4f55\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u53bb\u6389\u6362\u884c\u7b26\u5e76\u6dfb\u52a0\u5b57\u7b26\uff1f<\/strong><br \/>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u5199\u6cd5\uff0c\u53ef\u4ee5\u5feb\u901f\u5904\u7406\u5b57\u7b26\u4e32\u5217\u8868\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u53bb\u6389\u6362\u884c\u7b26\u5e76\u5728\u6bcf\u884c\u672b\u5c3e\u6dfb\u52a0\u5b57\u7b26\uff1a<\/p>\n<pre><code class=\"language-python\">lines = [&quot;Hello\\n&quot;, &quot;World\\n&quot;, &quot;Python\\n&quot;]\nmodified_lines = [line.rstrip(&#39;\\n&#39;) + &quot;\u6dfb\u52a0\u7684\u5b57\u7b26&quot; for line in lines]\nprint(modified_lines)  # \u8f93\u51fa: [&#39;Hello\u6dfb\u52a0\u7684\u5b57\u7b26&#39;, &#39;World\u6dfb\u52a0\u7684\u5b57\u7b26&#39;, &#39;Python\u6dfb\u52a0\u7684\u5b57\u7b26&#39;]\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u9ad8\u6548\u4e14\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u6bcf\u884c\u6dfb\u52a0\u5b57\u7b26\u5e76\u53bb\u6389\u6362\u884c\u7b26\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u79cd\uff0c\u4f8b\u5982\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49\u3002\u6700\u7b80\u5355 [&hellip;]","protected":false},"author":3,"featured_media":1128448,"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\/1128443"}],"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=1128443"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1128443\/revisions"}],"predecessor-version":[{"id":1128450,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1128443\/revisions\/1128450"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1128448"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1128443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1128443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1128443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}