{"id":1147339,"date":"2025-01-13T16:23:45","date_gmt":"2025-01-13T08:23:45","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1147339.html"},"modified":"2025-01-13T16:23:47","modified_gmt":"2025-01-13T08:23:47","slug":"python%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89int%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1147339.html","title":{"rendered":"python\u5982\u4f55\u5b9a\u4e49int\u6570\u7ec4"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25165517\/21a0df87-c359-4daa-9e89-6589e8e81c4c.webp\" alt=\"python\u5982\u4f55\u5b9a\u4e49int\u6570\u7ec4\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u6574\u578b\u6570\u7ec4\u6709\u591a\u79cd\u65b9\u6cd5<\/strong>\uff0c\u5305\u62ec\u4f7f\u7528\u5217\u8868(List)\u3001\u6570\u7ec4\u6a21\u5757(array)\u4ee5\u53caNumPy\u5e93\u3002<strong>\u5217\u8868\u6700\u5e38\u7528\u3001\u6570\u7ec4\u6a21\u5757\u63d0\u4f9b\u66f4\u9ad8\u6548\u7684\u5b58\u50a8\u3001NumPy\u5e93\u9002\u7528\u4e8e\u79d1\u5b66\u8ba1\u7b97<\/strong>\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u5b9a\u4e49\u6574\u578b\u6570\u7ec4\uff0c\u5e76\u63a2\u8ba8\u6bcf\u79cd\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u5217\u8868\uff08List\uff09<\/h3>\n<\/p>\n<p><p>Python\u7684\u5217\u8868\u662f\u6700\u5e38\u7528\u7684\u6570\u636e\u7ed3\u6784\u4e4b\u4e00\uff0c\u5b83\u662f\u52a8\u6001\u6570\u7ec4\uff0c\u53ef\u4ee5\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u6574\u578b\u3002<\/p>\n<\/p>\n<p><h4>1.1 \u5b9a\u4e49\u6574\u578b\u5217\u8868<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">int_list = [1, 2, 3, 4, 5]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>1.2 \u5217\u8868\u64cd\u4f5c<\/h4>\n<\/p>\n<ul>\n<li><strong>\u6dfb\u52a0\u5143\u7d20<\/strong>\uff1a\u4f7f\u7528<code>append()<\/code>\u65b9\u6cd5\u3002<\/li>\n<li><strong>\u5220\u9664\u5143\u7d20<\/strong>\uff1a\u4f7f\u7528<code>remove()<\/code>\u6216<code>pop()<\/code>\u65b9\u6cd5\u3002<\/li>\n<li><strong>\u8bbf\u95ee\u5143\u7d20<\/strong>\uff1a\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff0c\u5982<code>int_list[0]<\/code>\u3002<\/li>\n<\/ul>\n<p><h4>1.3 \u4f18\u7f3a\u70b9<\/h4>\n<\/p>\n<ul>\n<li><strong>\u4f18\u70b9<\/strong>\uff1a\u7075\u6d3b\u3001\u7b80\u5355\u6613\u7528\u3001\u652f\u6301\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u6570\u636e\u3002<\/li>\n<li><strong>\u7f3a\u70b9<\/strong>\uff1a\u6027\u80fd\u4e0d\u5982\u4e13\u7528\u6570\u7ec4\u9ad8\u6548\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\u3002<\/li>\n<\/ul>\n<p><h3>\u4e8c\u3001\u6570\u7ec4\u6a21\u5757\uff08array\uff09<\/h3>\n<\/p>\n<p><p>Python\u7684<code>array<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u9ad8\u6548\u7684\u65b9\u5f0f\u6765\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\u3002\u5b83\u4e0e\u5217\u8868\u7c7b\u4f3c\uff0c\u4f46\u4e13\u95e8\u7528\u4e8e\u5b58\u50a8\u6570\u503c\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h4>2.1 \u5bfc\u5165\u6570\u7ec4\u6a21\u5757<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import array<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2.2 \u5b9a\u4e49\u6574\u578b\u6570\u7ec4<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">int_array = array.array(&#39;i&#39;, [1, 2, 3, 4, 5])<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ul>\n<li>\u5176\u4e2d<code>&#39;i&#39;<\/code>\u8868\u793a\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u662f\u6574\u578b\u3002<\/li>\n<\/ul>\n<p><h4>2.3 \u6570\u7ec4\u64cd\u4f5c<\/h4>\n<\/p>\n<ul>\n<li><strong>\u6dfb\u52a0\u5143\u7d20<\/strong>\uff1a\u4f7f\u7528<code>append()<\/code>\u65b9\u6cd5\u3002<\/li>\n<li><strong>\u5220\u9664\u5143\u7d20<\/strong>\uff1a\u4f7f\u7528<code>remove()<\/code>\u6216<code>pop()<\/code>\u65b9\u6cd5\u3002<\/li>\n<li><strong>\u8bbf\u95ee\u5143\u7d20<\/strong>\uff1a\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff0c\u5982<code>int_array[0]<\/code>\u3002<\/li>\n<\/ul>\n<p><h4>2.4 \u4f18\u7f3a\u70b9<\/h4>\n<\/p>\n<ul>\n<li><strong>\u4f18\u70b9<\/strong>\uff1a\u6bd4\u5217\u8868\u66f4\u9ad8\u6548\uff0c\u5c24\u5176\u662f\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\u3002<\/li>\n<li><strong>\u7f3a\u70b9<\/strong>\uff1a\u4e0d\u5982\u5217\u8868\u7075\u6d3b\uff0c\u53ea\u80fd\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n<p><h3>\u4e09\u3001NumPy\u5e93<\/h3>\n<\/p>\n<p><p>NumPy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u79d1\u5b66\u8ba1\u7b97\u5e93\uff0c\u63d0\u4f9b\u4e86\u591a\u7ef4\u6570\u7ec4\u5bf9\u8c61\u548c\u5927\u91cf\u7684\u6570\u5b66\u51fd\u6570\u3002<\/p>\n<\/p>\n<p><h4>3.1 \u5b89\u88c5NumPy<\/h4>\n<\/p>\n<p><p>\u5982\u679c\u6ca1\u6709\u5b89\u88c5NumPy\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install numpy<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3.2 \u5bfc\u5165NumPy\u5e93<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3.3 \u5b9a\u4e49\u6574\u578b\u6570\u7ec4<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">int_np_array = np.array([1, 2, 3, 4, 5], dtype=int)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3.4 \u6570\u7ec4\u64cd\u4f5c<\/h4>\n<\/p>\n<ul>\n<li><strong>\u6dfb\u52a0\u5143\u7d20<\/strong>\uff1a\u4f7f\u7528<code>np.append()<\/code>\u51fd\u6570\u3002<\/li>\n<li><strong>\u5220\u9664\u5143\u7d20<\/strong>\uff1a\u4f7f\u7528<code>np.delete()<\/code>\u51fd\u6570\u3002<\/li>\n<li><strong>\u8bbf\u95ee\u5143\u7d20<\/strong>\uff1a\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\uff0c\u5982<code>int_np_array[0]<\/code>\u3002<\/li>\n<\/ul>\n<p><h4>3.5 \u4f18\u7f3a\u70b9<\/h4>\n<\/p>\n<ul>\n<li><strong>\u4f18\u70b9<\/strong>\uff1a\u975e\u5e38\u9ad8\u6548\uff0c\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u5904\u7406\u548c\u79d1\u5b66\u8ba1\u7b97\uff0c\u652f\u6301\u591a\u7ef4\u6570\u7ec4\u3002<\/li>\n<li><strong>\u7f3a\u70b9<\/strong>\uff1a\u9700\u8981\u989d\u5916\u5b89\u88c5\u5e93\uff0c\u5b66\u4e60\u6210\u672c\u8f83\u9ad8\u3002<\/li>\n<\/ul>\n<p><h3>\u56db\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\u5b9a\u4e49\u6574\u578b\u6570\u7ec4\u6709\u591a\u79cd\u65b9\u6cd5\uff0c<strong>\u4f7f\u7528\u5217\u8868\u6700\u4e3a\u5e38\u89c1\u4e14\u7075\u6d3b\u3001\u6570\u7ec4\u6a21\u5757\u63d0\u4f9b\u66f4\u9ad8\u6548\u7684\u5b58\u50a8\u3001NumPy\u5e93\u9002\u7528\u4e8e\u79d1\u5b66\u8ba1\u7b97<\/strong>\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n<p><h4>4.1 \u5217\u8868<\/h4>\n<\/p>\n<p><p>\u9002\u7528\u4e8e\u4e00\u822c\u7528\u9014\uff0c\u7b80\u5355\u6613\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">int_list = [1, 2, 3, 4, 5]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>4.2 \u6570\u7ec4\u6a21\u5757<\/h4>\n<\/p>\n<p><p>\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u6548\u5b58\u50a8\u548c\u5904\u7406\u6570\u503c\u6570\u636e\u7684\u573a\u5408\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import array<\/p>\n<p>int_array = array.array(&#39;i&#39;, [1, 2, 3, 4, 5])<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>4.3 NumPy\u5e93<\/h4>\n<\/p>\n<p><p>\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u5904\u7406\u548c\u79d1\u5b66\u8ba1\u7b97\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p>int_np_array = np.array([1, 2, 3, 4, 5], dtype=int)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u5408\u7406\u9009\u62e9\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u6027\u80fd\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u6574\u6570\u7684\u6570\u7ec4\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u867d\u7136\u6ca1\u6709\u76f4\u63a5\u7684\u6570\u7ec4\u7c7b\u578b\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u6765\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u6574\u6570\u7684\u96c6\u5408\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5b9e\u73b0\uff1a<code>int_array = [1, 2, 3, 4, 5]<\/code>\u3002\u6b64\u5916\uff0c\u5982\u679c\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6570\u7ec4\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528NumPy\u5e93\uff0c\u5148\u5b89\u88c5\u5b83\uff0c\u7136\u540e\u901a\u8fc7<code>import numpy as np<\/code>\u548c<code>int_array = np.array([1, 2, 3, 4, 5])<\/code>\u6765\u521b\u5efa\u6574\u6570\u6570\u7ec4\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\uff0c\u5982\u4f55\u5bf9\u6574\u6570\u6570\u7ec4\u8fdb\u884c\u64cd\u4f5c\uff1f<\/strong><br \/>\u4f7f\u7528Python\u7684\u5185\u7f6e\u5217\u8868\u6216NumPy\u6570\u7ec4\uff0c\u60a8\u53ef\u4ee5\u8fdb\u884c\u591a\u79cd\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u5217\u8868\u65f6\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u6dfb\u52a0\u3001\u5220\u9664\u6216\u4fee\u6539\u5143\u7d20\uff0c\u4f7f\u7528<code>int_array.append(6)<\/code>\u6765\u6dfb\u52a0\u4e00\u4e2a\u65b0\u5143\u7d20\u3002\u82e5\u4f7f\u7528NumPy\uff0c\u5219\u53ef\u4ee5\u5229\u7528\u5176\u5f3a\u5927\u7684\u6570\u5b66\u51fd\u6570\u8fdb\u884c\u6570\u7ec4\u8fd0\u7b97\uff0c\u5982<code>int_array.sum()<\/code>\u53ef\u4ee5\u8ba1\u7b97\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u7684\u548c\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u52a8\u6001\u6574\u6570\u6570\u7ec4\uff1f<\/strong><br \/>Python\u7684\u5217\u8868\u672c\u8eab\u5c31\u662f\u52a8\u6001\u7684\uff0c\u60a8\u53ef\u4ee5\u968f\u65f6\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\uff0c\u800c\u4e0d\u9700\u8981\u9884\u5148\u5b9a\u4e49\u5927\u5c0f\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<code>int_array = []<\/code>\u6765\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\uff0c\u7136\u540e\u901a\u8fc7<code>int_array.append(10)<\/code>\u6765\u52a8\u6001\u6dfb\u52a0\u6574\u6570\u3002\u82e5\u4f7f\u7528NumPy\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7<code>np.empty(0)<\/code>\u6765\u521b\u5efa\u4e00\u4e2a\u7a7a\u6570\u7ec4\uff0c\u7136\u540e\u4f7f\u7528<code>np.append(int_array, new_value)<\/code>\u6765\u6dfb\u52a0\u65b0\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u6574\u578b\u6570\u7ec4\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u5217\u8868(List)\u3001\u6570\u7ec4\u6a21\u5757(array)\u4ee5\u53caNumPy\u5e93 [&hellip;]","protected":false},"author":3,"featured_media":1147348,"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\/1147339"}],"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=1147339"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1147339\/revisions"}],"predecessor-version":[{"id":1147350,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1147339\/revisions\/1147350"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1147348"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1147339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1147339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1147339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}