{"id":987555,"date":"2024-12-27T07:54:26","date_gmt":"2024-12-26T23:54:26","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/987555.html"},"modified":"2024-12-27T07:54:28","modified_gmt":"2024-12-26T23:54:28","slug":"python%e5%a6%82%e4%bd%95%e8%be%93%e5%87%ba%e5%8f%b7%e9%98%b5%e5%88%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/987555.html","title":{"rendered":"python\u5982\u4f55\u8f93\u51fa\u53f7\u9635\u5217"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25063623\/b8736d3e-9002-4519-884d-401e9cd1627f.webp\" alt=\"python\u5982\u4f55\u8f93\u51fa\u53f7\u9635\u5217\" \/><\/p>\n<p><p> <strong>Python\u8f93\u51fa\u6570\u7ec4\u7684\u65b9\u5f0f\u6709\u591a\u79cd<\/strong>\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u7b2c\u4e09\u65b9\u5e93\uff0c\u4ee5\u53ca\u81ea\u5b9a\u4e49\u683c\u5f0f\u8f93\u51fa\u7b49\u3002<strong>\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528print\u51fd\u6570\u3001\u4f7f\u7528NumPy\u5e93\u3001\u4ee5\u53ca\u683c\u5f0f\u5316\u8f93\u51fa\u7b49<\/strong>\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u53ca\u5176\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u8f93\u51fa\u6570\u7ec4<\/p>\n<\/p>\n<p><p>Python\u7684\u5185\u7f6e<code>print()<\/code>\u51fd\u6570\u662f\u8f93\u51fa\u6570\u7ec4\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u901a\u8fc7<code>print()<\/code>\u51fd\u6570\uff0c\u60a8\u53ef\u4ee5\u5c06\u4efb\u4f55Python\u5bf9\u8c61\u8f93\u51fa\u5230\u63a7\u5236\u53f0\uff0c\u5305\u62ec\u5217\u8868\u548c\u5143\u7ec4\u7b49\u57fa\u672c\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p>\u57fa\u672c\u7528\u6cd5<\/p>\n<\/p>\n<ul>\n<li>\u4f7f\u7528<code>print()<\/code>\u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u8f93\u51fa\u6570\u7ec4\uff08\u5217\u8868\u6216\u5143\u7ec4\uff09\u3002\u5217\u8868\u548c\u5143\u7ec4\u7684\u5143\u7d20\u5c06\u6309\u7167\u5b83\u4eec\u5728\u6570\u7ec4\u4e2d\u7684\u987a\u5e8f\u663e\u793a\u5728\u8f93\u51fa\u4e2d\u3002<\/li>\n<li>\u4f8b\u5982\uff0c\u8f93\u51fa\u4e00\u4e2a\u7b80\u5355\u7684\u5217\u8868\uff1a<code>numbers = [1, 2, 3, 4, 5]<\/code>\uff0c\u4f7f\u7528<code>print(numbers)<\/code>\u5c06\u8f93\u51fa<code>[1, 2, 3, 4, 5]<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u683c\u5f0f\u5316\u8f93\u51fa<\/p>\n<\/p>\n<ul>\n<li>\u5bf9\u4e8e\u66f4\u597d\u770b\u7684\u8f93\u51fa\u7ed3\u679c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u4f8b\u5982f-string\uff08Python 3.6\u53ca\u4ee5\u4e0a\u7248\u672c\uff09\u6216<code>str.format()<\/code>\u65b9\u6cd5\u3002<\/li>\n<li>\u4f8b\u5982\uff0c\u4f7f\u7528f-string\uff1a<code>print(f&quot;The numbers are: {numbers}&quot;)<\/code>\u4f1a\u8f93\u51fa<code>The numbers are: [1, 2, 3, 4, 5]<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f<\/p>\n<\/p>\n<ul>\n<li>\u53ef\u4ee5\u901a\u8fc7\u904d\u5386\u6570\u7ec4\u5143\u7d20\u5e76\u9010\u4e2a\u683c\u5f0f\u5316\u8f93\u51fa\u6765\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f\u3002<\/li>\n<li>\u4f8b\u5982\uff0c\u4f7f\u7528\u5faa\u73af\uff1a<code>for num in numbers: print(f&quot;Number: {num}&quot;)<\/code>\u5c06\u9010\u884c\u8f93\u51fa\u6bcf\u4e2a\u6570\u5b57\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><p>\u4e8c\u3001\u4f7f\u7528NumPy\u5e93\u8f93\u51fa\u6570\u7ec4<\/p>\n<\/p>\n<p><p>NumPy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684Python\u5e93\uff0c\u4e13\u4e3a\u79d1\u5b66\u8ba1\u7b97\u800c\u8bbe\u8ba1\u3002\u5b83\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6570\u7ec4\u5bf9\u8c61<code>ndarray<\/code>\uff0c\u4ee5\u53ca\u8bb8\u591a\u6709\u7528\u7684\u51fd\u6570\u6765\u64cd\u4f5c\u8fd9\u4e9b\u6570\u7ec4\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p>\u5b89\u88c5\u548c\u5bfc\u5165NumPy<\/p>\n<\/p>\n<ul>\n<li>\u4f7f\u7528NumPy\u4e4b\u524d\uff0c\u9700\u8981\u786e\u4fdd\u5df2\u5b89\u88c5\u8be5\u5e93\u3002\u53ef\u4ee5\u901a\u8fc7<code>pip install numpy<\/code>\u5b89\u88c5\u3002<\/li>\n<li>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u4f7f\u7528<code>import numpy as np<\/code>\u5bfc\u5165\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u521b\u5efa\u548c\u8f93\u51fa\u6570\u7ec4<\/p>\n<\/p>\n<ul>\n<li>\u4f7f\u7528NumPy\u53ef\u4ee5\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528<code>print()<\/code>\u51fd\u6570\u8f93\u51fa\u3002<\/li>\n<li>\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\u5e76\u8f93\u51fa\uff1a<code>arr = np.array([1, 2, 3, 4, 5])<\/code>\uff0c<code>print(arr)<\/code>\u5c06\u8f93\u51fa<code>[1 2 3 4 5]<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u683c\u5f0f\u5316NumPy\u6570\u7ec4\u8f93\u51fa<\/p>\n<\/p>\n<ul>\n<li>NumPy\u63d0\u4f9b\u4e86<code>array2string()<\/code>\u51fd\u6570\u7528\u4e8e\u683c\u5f0f\u5316\u6570\u7ec4\u7684\u8f93\u51fa\u3002<\/li>\n<li>\u4f8b\u5982\uff0c\u4f7f\u7528<code>np.array2string(arr, separator=&#39;, &#39;)<\/code>\u5c06\u8f93\u51fa<code>[1, 2, 3, 4, 5]<\/code>\uff0c\u5176\u4e2d\u5143\u7d20\u4ee5\u9017\u53f7\u5206\u9694\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><p>\u4e09\u3001\u5176\u4ed6\u6570\u7ec4\u8f93\u51fa\u65b9\u6cd5<\/p>\n<\/p>\n<p><p>\u9664\u4e86\u57fa\u672c\u7684<code>print()<\/code>\u51fd\u6570\u548cNumPy\u5e93\uff0cPython\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u5e93\u548c\u65b9\u6cd5\u6765\u8f93\u51fa\u6570\u7ec4\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p>\u4f7f\u7528Pandas\u8f93\u51fa<\/p>\n<\/p>\n<ul>\n<li>Pandas\u662f\u53e6\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u5e93\uff0c\u53ef\u4ee5\u7528\u4e8e\u8f93\u51fa\u6570\u636e\u6846\u6216\u7cfb\u5217\u5bf9\u8c61\u3002<\/li>\n<li>\u4f8b\u5982\uff0c\u4f7f\u7528Pandas\u8f93\u51fa\uff1a<code>import pandas as pd<\/code>\uff0c<code>series = pd.Series([1, 2, 3, 4, 5])<\/code>\uff0c<code>print(series)<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4f7f\u7528JSON\u683c\u5f0f\u8f93\u51fa<\/p>\n<\/p>\n<ul>\n<li>JSON\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0c\u53ef\u4ee5\u7528\u4e8e\u5c06\u6570\u7ec4\u8f93\u51fa\u4e3aJSON\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u4f8b\u5982\uff0c\u4f7f\u7528<code>json.dumps()<\/code>\uff1a<code>import json<\/code>\uff0c<code>json_str = json.dumps(numbers)<\/code>\uff0c<code>print(json_str)<\/code>\u5c06\u8f93\u51fa<code>&quot;[1, 2, 3, 4, 5]&quot;<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8f93\u51fa\u5230\u6587\u4ef6<\/p>\n<\/p>\n<ul>\n<li>\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f93\u51fa\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\uff0c\u4f8b\u5982\u6587\u672c\u6587\u4ef6\u6216CSV\u6587\u4ef6\u3002<\/li>\n<li>\u4f7f\u7528Python\u5185\u7f6e\u7684\u6587\u4ef6\u64cd\u4f5c\uff1a<code>with open(&#39;output.txt&#39;, &#39;w&#39;) as f: f.write(str(numbers))<\/code>\u3002<\/li>\n<li>\u4f7f\u7528NumPy\u4fdd\u5b58\u5230\u6587\u4ef6\uff1a<code>np.savetxt(&#39;output.csv&#39;, arr, delimiter=&#39;,&#39;)<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><p>\u56db\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u8f93\u51fa\u6570\u7ec4\uff0c\u4ece\u7b80\u5355\u7684<code>print()<\/code>\u51fd\u6570\u5230\u4f7f\u7528NumPy\u548cPandas\u7b49\u5e93\uff0c\u4ee5\u53ca\u683c\u5f0f\u5316\u8f93\u51fa\u548c\u6587\u4ef6\u8f93\u51fa\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u573a\u666f\u6765\u51b3\u5b9a\u3002\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u5728Python\u4e2d\u5904\u7406\u548c\u8f93\u51fa\u6570\u7ec4\uff0c\u6ee1\u8db3\u5404\u79cd\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u7684\u9700\u6c42\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u548c\u8f93\u51fa\u6570\u7ec4\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u6216NumPy\u5e93\u6765\u521b\u5efa\u6570\u7ec4\u3002\u5217\u8868\u662fPython\u5185\u7f6e\u7684\u6570\u636e\u7ed3\u6784\uff0c\u800cNumPy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5e93\uff0c\u4e13\u95e8\u7528\u4e8e\u5904\u7406\u5927\u578b\u6570\u7ec4\u548c\u77e9\u9635\u3002\u8981\u8f93\u51fa\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528print()\u51fd\u6570\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">import numpy as np\narray = np.array([1, 2, 3, 4, 5])\nprint(array)\n<\/code><\/pre>\n<p>\u8fd9\u5c06\u8f93\u51fa\u4e00\u4e2aNumPy\u6570\u7ec4\u3002<\/p>\n<p><strong>Python\u4e2d\u5982\u4f55\u683c\u5f0f\u5316\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\uff1f<\/strong><br \/>\u5982\u679c\u9700\u8981\u66f4\u7cbe\u7ec6\u5730\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6216NumPy\u7684\u683c\u5f0f\u5316\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528f-string\u6216format()\u65b9\u6cd5\u6765\u683c\u5f0f\u5316\u6bcf\u4e2a\u5143\u7d20\u7684\u8f93\u51fa\uff1a  <\/p>\n<pre><code class=\"language-python\">for element in array:\n    print(f&#39;Element: {element:.2f}&#39;)\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u80fd\u591f\u786e\u4fdd\u6bcf\u4e2a\u5143\u7d20\u4ee5\u7279\u5b9a\u7684\u683c\u5f0f\u8f93\u51fa\uff0c\u4fbf\u4e8e\u9605\u8bfb\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u8f93\u51fa\u591a\u7ef4\u6570\u7ec4\uff1f<\/strong><br \/>\u591a\u7ef4\u6570\u7ec4\u5728Python\u4e2d\u53ef\u4ee5\u901a\u8fc7\u5d4c\u5957\u5217\u8868\u6216NumPy\u7684\u591a\u7ef4\u6570\u7ec4\u5b9e\u73b0\u3002\u8f93\u51fa\u591a\u7ef4\u6570\u7ec4\u65f6\uff0c\u4f7f\u7528print()\u51fd\u6570\u5373\u53ef\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u8fed\u4ee3\u6765\u683c\u5f0f\u5316\u8f93\u51fa\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n<pre><code class=\"language-python\">multi_array = np.array([[1, 2, 3], [4, 5, 6]])\nprint(&quot;Multi-dimensional array:&quot;)\nfor row in multi_array:\n    print(row)\n<\/code><\/pre>\n<p>\u8fd9\u6837\u80fd\u591f\u6e05\u6670\u5730\u5c55\u793a\u591a\u7ef4\u6570\u7ec4\u7684\u7ed3\u6784\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u8f93\u51fa\u6570\u7ec4\u7684\u65b9\u5f0f\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u7b2c\u4e09\u65b9\u5e93\uff0c\u4ee5\u53ca\u81ea\u5b9a\u4e49\u683c\u5f0f\u8f93\u51fa\u7b49\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528prin [&hellip;]","protected":false},"author":3,"featured_media":987563,"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\/987555"}],"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=987555"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/987555\/revisions"}],"predecessor-version":[{"id":987566,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/987555\/revisions\/987566"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/987563"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=987555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=987555"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=987555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}