{"id":954457,"date":"2024-12-27T01:57:47","date_gmt":"2024-12-26T17:57:47","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/954457.html"},"modified":"2024-12-27T01:57:50","modified_gmt":"2024-12-26T17:57:50","slug":"python%e5%a6%82%e4%bd%95%e6%8a%8a%e6%95%b0%e7%bb%84%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/954457.html","title":{"rendered":"python\u5982\u4f55\u628a\u6570\u7ec4\u8f93\u51fa"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25094654\/e2ca18e3-e7b3-40c3-8d20-b0e84645262f.webp\" alt=\"python\u5982\u4f55\u628a\u6570\u7ec4\u8f93\u51fa\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8f93\u51fa\u6570\u7ec4\uff0c\u5305\u62ec\u4f7f\u7528<code>print()<\/code>\u51fd\u6570\u3001\u5faa\u73af\u904d\u5386\u6570\u7ec4\u3001\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7b49\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528<code>print()<\/code>\u51fd\u6570\u548c\u5faa\u73af\u904d\u5386\u6570\u7ec4\u3002\u4f7f\u7528<code>print()<\/code>\u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u8f93\u51fa\u6570\u7ec4\u7684\u5185\u5bb9\uff0c\u800c\u5faa\u73af\u904d\u5386\u53ef\u4ee5\u8ba9\u4f60\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u66f4\u8be6\u7ec6\u7684\u5904\u7406\u548c\u8f93\u51fa\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528<code>print()<\/code>\u51fd\u6570<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c<code>print()<\/code>\u51fd\u6570\u662f\u6700\u5e38\u7528\u7684\u8f93\u51fa\u65b9\u6cd5\u4e4b\u4e00\u3002\u5bf9\u4e8e\u6570\u7ec4\uff08\u5728Python\u4e2d\u901a\u5e38\u662f\u5217\u8868\uff09\uff0c\u4f60\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528<code>print()<\/code>\u51fd\u6570\u8f93\u51fa\u6574\u4e2a\u6570\u7ec4\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_array = [1, 2, 3, 4, 5]<\/p>\n<p>print(my_array)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u4f1a\u8f93\u51fa\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\uff0c\u683c\u5f0f\u4e3a<code>[1, 2, 3, 4, 5]<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u63a5\uff0c\u9002\u5408\u7528\u4e8e\u8c03\u8bd5\u548c\u67e5\u770b\u6570\u7ec4\u7684\u6574\u4f53\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u904d\u5386\u6570\u7ec4\u5e76\u8f93\u51fa<\/p>\n<\/p>\n<p><p>\u5982\u679c\u4f60\u9700\u8981\u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u7279\u6b8a\u7684\u5904\u7406\u6216\u683c\u5f0f\u5316\u8f93\u51fa\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_array = [1, 2, 3, 4, 5]<\/p>\n<p>for element in my_array:<\/p>\n<p>    print(element)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>for<\/code>\u5faa\u73af\u9010\u4e2a\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u9010\u884c\u8f93\u51fa\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u7528\u4e8e\u9700\u8981\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u64cd\u4f5c\u7684\u60c5\u51b5\uff0c\u4f8b\u5982\u683c\u5f0f\u5316\u8f93\u51fa\u6216\u8ba1\u7b97\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5<\/p>\n<\/p>\n<p><p>\u5982\u679c\u6570\u7ec4\u4e2d\u5305\u542b\u5b57\u7b26\u4e32\u5143\u7d20\uff0c\u5e76\u4e14\u5e0c\u671b\u5c06\u5b83\u4eec\u4ee5\u7279\u5b9a\u7684\u5206\u9694\u7b26\u7ec4\u5408\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">string_array = [&quot;apple&quot;, &quot;banana&quot;, &quot;cherry&quot;]<\/p>\n<p>result = &quot;, &quot;.join(string_array)<\/p>\n<p>print(result)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>join()<\/code>\u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u4e32\u5143\u7d20\u7528\u9017\u53f7\u548c\u7a7a\u683c\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u6700\u7ec8\u8f93\u51fa\u4e3a<code>&quot;apple, banana, cherry&quot;<\/code>\u3002<code>join()<\/code>\u65b9\u6cd5\u4ec5\u9002\u7528\u4e8e\u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u8f93\u51fa<\/p>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u591a\u79cd\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\uff0c\u4f8b\u5982\u4f7f\u7528<code>f-string<\/code>\u3001<code>format()<\/code>\u65b9\u6cd5\u7b49\uff0c\u53ef\u4ee5\u7528\u6765\u66f4\u7075\u6d3b\u5730\u8f93\u51fa\u6570\u7ec4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528<code>f-string<\/code>\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_array = [1, 2, 3, 4, 5]<\/p>\n<p>print(f&quot;The array cont<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>ns: {my_array}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>f-string<\/code>\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u6d01\u7684\u683c\u5f0f\u5316\u65b9\u5f0f\uff0c\u53ef\u4ee5\u76f4\u63a5\u5728\u5b57\u7b26\u4e32\u4e2d\u5d4c\u5165\u53d8\u91cf\uff0c\u8fd9\u5bf9\u4e8e\u8f93\u51fa\u6570\u7ec4\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u4f7f\u7528<code>numpy<\/code>\u5e93\u8f93\u51fa\u6570\u7ec4<\/p>\n<\/p>\n<p><p>\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f<code>numpy<\/code>\u5e93\u4e2d\u7684\u6570\u7ec4\uff08\u5373<code>numpy.ndarray<\/code>\u5bf9\u8c61\uff09\uff0c\u53ef\u4ee5\u5229\u7528<code>numpy<\/code>\u63d0\u4f9b\u7684\u529f\u80fd\u6765\u8f93\u51fa\u6570\u7ec4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p>np_array = np.array([1, 2, 3, 4, 5])<\/p>\n<p>print(np_array)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>numpy<\/code>\u6570\u7ec4\u7684\u8f93\u51fa\u683c\u5f0f\u4e0e\u666e\u901a\u5217\u8868\u7c7b\u4f3c\uff0c\u4f46\u5176\u529f\u80fd\u66f4\u4e3a\u5f3a\u5927\uff0c\u9002\u7528\u4e8e\u9700\u8981\u8fdb\u884c\u590d\u6742\u6570\u7ec4\u64cd\u4f5c\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u516d\u3001\u683c\u5f0f\u5316\u8f93\u51fa\u591a\u7ef4\u6570\u7ec4<\/p>\n<\/p>\n<p><p>\u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0c\u76f4\u63a5\u4f7f\u7528<code>print()<\/code>\u51fd\u6570\u53ef\u80fd\u5bfc\u81f4\u8f93\u51fa\u4e0d\u591f\u76f4\u89c2\u3002\u53ef\u4ee5\u7ed3\u5408<code>numpy<\/code>\u7684\u529f\u80fd\u8fdb\u884c\u683c\u5f0f\u5316\u8f93\u51fa\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p>multi_array = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])<\/p>\n<p>print(multi_array)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>numpy<\/code>\u4f1a\u81ea\u52a8\u683c\u5f0f\u5316\u8f93\u51fa\u591a\u7ef4\u6570\u7ec4\uff0c\u4f7f\u5176\u4ee5\u77e9\u9635\u5f62\u5f0f\u5448\u73b0\uff0c\u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u7406\u89e3\u3002<\/p>\n<\/p>\n<p><p><strong>\u603b\u7ed3<\/strong><\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\u8f93\u51fa\u6570\u7ec4\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u9700\u6c42\u548c\u6570\u7ec4\u7684\u7c7b\u578b\u3002\u5bf9\u4e8e\u7b80\u5355\u7684\u8f93\u51fa\u9700\u6c42\uff0c<code>print()<\/code>\u51fd\u6570\u901a\u5e38\u8db3\u591f\uff1b\u5bf9\u4e8e\u9700\u8981\u683c\u5f0f\u5316\u8f93\u51fa\u6216\u5904\u7406\u590d\u6742\u6570\u7ec4\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528\u5faa\u73af\u3001<code>join()<\/code>\u65b9\u6cd5\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u548c<code>numpy<\/code>\u5e93\u7b49\u5de5\u5177\u3002\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u5173\u952e\u5728\u4e8e\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u9009\u62e9\u6700\u7b80\u6d01\u3001\u6700\u6709\u6548\u7684\u65b9\u5f0f\u6765\u8f93\u51fa\u6570\u7ec4\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5c06\u6570\u7ec4\u683c\u5f0f\u5316\u4e3a\u5b57\u7b26\u4e32\u8f93\u51fa\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5305\u542b\u6570\u5b57\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u5148\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u4f7f\u7528<code>join()<\/code>\u65b9\u6cd5\u8fdb\u884c\u683c\u5f0f\u5316\u8f93\u51fa\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">arr = [1, 2, 3, 4]\noutput = &#39;, &#39;.join(map(str, arr))\nprint(output)  # \u8f93\u51fa: 1, 2, 3, 4\n<\/code><\/pre>\n<p><strong>Python\u4e2d\u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u8f93\u51fa\u6570\u7ec4\u7684\u5185\u5bb9\uff1f<\/strong><br \/>Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u8f93\u51fa\u6570\u7ec4\u7684\u5185\u5bb9\u3002\u9664\u4e86\u4f7f\u7528<code>print()<\/code>\u51fd\u6570\u5916\uff0c<code>pprint<\/code>\u6a21\u5757\u4e5f\u80fd\u5e2e\u52a9\u4ee5\u66f4\u7f8e\u89c2\u7684\u683c\u5f0f\u8f93\u51fa\u590d\u6742\u7684\u6570\u7ec4\u7ed3\u6784\u3002\u6b64\u5916\uff0c<code>numpy<\/code>\u5e93\u4e2d\u7684<code>array<\/code>\u5bf9\u8c61\u4e5f\u53ef\u4ee5\u901a\u8fc7<code>print()<\/code>\u8f7b\u677e\u663e\u793a\u5176\u5185\u5bb9\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">import numpy as np\narr = np.array([[1, 2, 3], [4, 5, 6]])\nprint(arr)\n<\/code><\/pre>\n<p><strong>\u5982\u4f55\u5c06Python\u6570\u7ec4\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528Python\u7684\u5185\u7f6e\u6587\u4ef6\u64cd\u4f5c\u529f\u80fd\u5c06\u6570\u7ec4\u5185\u5bb9\u5199\u5165\u6587\u4ef6\u3002\u901a\u8fc7<code>open()<\/code>\u51fd\u6570\u521b\u5efa\u6587\u4ef6\u5bf9\u8c61\u540e\uff0c\u4f7f\u7528<code>write()<\/code>\u65b9\u6cd5\u5c06\u6570\u7ec4\u5185\u5bb9\u9010\u884c\u8f93\u51fa\u3002\u5982\u679c\u60f3\u8981\u4ee5CSV\u683c\u5f0f\u4fdd\u5b58\uff0c\u53ef\u4ee5\u4f7f\u7528<code>csv<\/code>\u6a21\u5757\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">import csv\n\narr = [1, 2, 3, 4]\nwith open(&#39;output.csv&#39;, mode=&#39;w&#39;, newline=&#39;&#39;) as file:\n    writer = csv.writer(file)\n    writer.writerow(arr)\n<\/code><\/pre>\n<p>\u8fd9\u6837\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f93\u51fa\u5230CSV\u6587\u4ef6\u4e2d\uff0c\u65b9\u4fbf\u540e\u7eed\u4f7f\u7528\u6216\u67e5\u770b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8f93\u51fa\u6570\u7ec4\uff0c\u5305\u62ec\u4f7f\u7528print()\u51fd\u6570\u3001\u5faa\u73af\u904d\u5386\u6570\u7ec4\u3001\u4f7f\u7528join()\u65b9\u6cd5\u3001\u683c [&hellip;]","protected":false},"author":3,"featured_media":954460,"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\/954457"}],"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=954457"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/954457\/revisions"}],"predecessor-version":[{"id":954462,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/954457\/revisions\/954462"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/954460"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=954457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=954457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=954457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}