{"id":1004238,"date":"2024-12-27T10:24:34","date_gmt":"2024-12-27T02:24:34","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1004238.html"},"modified":"2024-12-27T10:24:38","modified_gmt":"2024-12-27T02:24:38","slug":"python-%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89%e6%95%b0%e7%bb%84%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1004238.html","title":{"rendered":"python \u5982\u4f55\u5b9a\u4e49\u6570\u7ec4\u7c7b"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25081247\/677b9300-d85f-43d2-8b41-5e3fcf0af0d7.webp\" alt=\"python \u5982\u4f55\u5b9a\u4e49\u6570\u7ec4\u7c7b\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u5b9a\u4e49\u6570\u7ec4\u7c7b\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u7c7b\u6765\u5b9e\u73b0\uff0c\u8fd9\u4e2a\u7c7b\u901a\u8fc7\u6784\u9020\u65b9\u6cd5\u521d\u59cb\u5316\u6570\u7ec4\u3001\u63d0\u4f9b\u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u65b9\u6cd5\u3001\u652f\u6301\u6570\u7ec4\u7684\u63d2\u5165\u548c\u5220\u9664\u7b49\u64cd\u4f5c\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e9b\u529f\u80fd\uff0c\u901a\u5e38\u9700\u8981\u91cd\u8f7d\u4e00\u4e9b\u7279\u6b8a\u65b9\u6cd5\uff0c\u4f8b\u5982<code>__getitem__<\/code>\u548c<code>__setitem__<\/code>\uff0c\u4ee5\u4fbf\u652f\u6301\u7d22\u5f15\u8bbf\u95ee\u548c\u8d4b\u503c\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u6570\u7ec4\u53ef\u4ee5\u901a\u8fc7\u5217\u8868\u3001\u5143\u7ec4\u6216NumPy\u5e93\u4e2d\u7684\u6570\u7ec4\u6765\u5b9e\u73b0\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Python\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u6570\u7ec4\u7c7b\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6570\u7ec4\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u5b9e\u73b0\u4e00\u4e2a\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\u7684\u6b65\u9aa4\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u521b\u5efa\u6570\u7ec4\u7c7b<\/h3>\n<\/p>\n<p><p>\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u7c7b\u7684\u7b2c\u4e00\u6b65\u662f\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff0c\u5e76\u5728\u5176\u4e2d\u521d\u59cb\u5316\u4e00\u4e2a\u7528\u4e8e\u5b58\u50a8\u6570\u7ec4\u5143\u7d20\u7684\u5217\u8868\u6216\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Array:<\/p>\n<p>    def __init__(self, size=0, default_value=None):<\/p>\n<p>        self.array = [default_value] * size<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>Array<\/code>\u7c7b\u7684\u6784\u9020\u51fd\u6570\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff1a\u6570\u7ec4\u7684\u5927\u5c0f\u548c\u9ed8\u8ba4\u503c\uff0c\u7528\u4e8e\u521d\u59cb\u5316\u6570\u7ec4\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u5b9e\u73b0\u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u5b9a\u4e49<code>__getitem__<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u5f97\u7c7b\u7684\u5b9e\u4f8b\u652f\u6301\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def __getitem__(self, index):<\/p>\n<p>    return self.array[index]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e0b\u6807\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u5b9e\u73b0\u6570\u7ec4\u5143\u7d20\u7684\u4fee\u6539<\/h3>\n<\/p>\n<p><p>\u540c\u6837\u5730\uff0c\u901a\u8fc7\u5b9a\u4e49<code>__setitem__<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u652f\u6301\u4f7f\u7528\u7d22\u5f15\u4fee\u6539\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def __setitem__(self, index, value):<\/p>\n<p>    self.array[index] = value<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4f7f\u5f97\u53ef\u4ee5\u901a\u8fc7\u4e0b\u6807\u8d4b\u503c\u6765\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u63d0\u4f9b\u6570\u7ec4\u7684\u63d2\u5165\u548c\u5220\u9664\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u66f4\u597d\u5730\u64cd\u4f5c\u6570\u7ec4\uff0c\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e9b\u65b9\u6cd5\u4ee5\u4fbf\u5728\u6570\u7ec4\u4e2d\u63d2\u5165\u548c\u5220\u9664\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def insert(self, index, value):<\/p>\n<p>    self.array.insert(index, value)<\/p>\n<p>def remove(self, value):<\/p>\n<p>    self.array.remove(value)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>insert<\/code>\u65b9\u6cd5\u7528\u4e8e\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u800c<code>remove<\/code>\u65b9\u6cd5\u7528\u4e8e\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5339\u914d\u503c\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u652f\u6301\u6570\u7ec4\u7684\u6269\u5c55\u548c\u6536\u7f29<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u4f7f\u6570\u7ec4\u7684\u64cd\u4f5c\u66f4\u52a0\u7075\u6d3b\uff0c\u53ef\u4ee5\u63d0\u4f9b\u65b9\u6cd5\u6765\u6269\u5c55\u548c\u6536\u7f29\u6570\u7ec4\u7684\u5927\u5c0f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def append(self, value):<\/p>\n<p>    self.array.append(value)<\/p>\n<p>def pop(self, index=-1):<\/p>\n<p>    return self.array.pop(index)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>append<\/code>\u65b9\u6cd5\u5728\u6570\u7ec4\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\uff0c\u800c<code>pop<\/code>\u65b9\u6cd5\u5219\u7528\u4e8e\u5220\u9664\u5e76\u8fd4\u56de\u6570\u7ec4\u4e2d\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u6216\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u652f\u6301\u6570\u7ec4\u7684\u5176\u4ed6\u5e38\u7528\u64cd\u4f5c<\/h3>\n<\/p>\n<p><p>\u9664\u4e86\u57fa\u672c\u7684\u64cd\u4f5c\u5916\uff0c\u8fd8\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e9b\u5176\u4ed6\u5e38\u7528\u7684\u6570\u7ec4\u64cd\u4f5c\uff0c\u5982\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\u3001\u6e05\u7a7a\u6570\u7ec4\u7b49\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def length(self):<\/p>\n<p>    return len(self.array)<\/p>\n<p>def clear(self):<\/p>\n<p>    self.array.clear()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>length<\/code>\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u800c<code>clear<\/code>\u65b9\u6cd5\u5219\u6e05\u7a7a\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u793a\u4f8b\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5b9a\u4e49\u4e86\u6570\u7ec4\u7c7b\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u793a\u4f8b\u6765\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u8fd9\u4e2a\u7c7b\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u5b9e\u4f8b<\/p>\n<p>my_array = Array(5, 0)<\/p>\n<h2><strong>\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5143\u7d20<\/strong><\/h2>\n<p>my_array[0] = 10<\/p>\n<p>my_array[1] = 20<\/p>\n<h2><strong>\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20<\/strong><\/h2>\n<p>print(my_array[0])  # \u8f93\u51fa: 10<\/p>\n<p>print(my_array[1])  # \u8f93\u51fa: 20<\/p>\n<h2><strong>\u63d2\u5165\u548c\u5220\u9664\u5143\u7d20<\/strong><\/h2>\n<p>my_array.insert(2, 15)<\/p>\n<p>my_array.remove(20)<\/p>\n<h2><strong>\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6<\/strong><\/h2>\n<p>print(my_array.length())  # \u8f93\u51fa: 5<\/p>\n<h2><strong>\u6e05\u7a7a\u6570\u7ec4<\/strong><\/h2>\n<p>my_array.clear()<\/p>\n<p>print(my_array.length())  # \u8f93\u51fa: 0<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u5b9a\u4e49\u548c\u4f7f\u7528\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\uff0c\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u64cd\u4f5c\u6570\u7ec4\u6570\u636e\uff0c\u5e76\u6839\u636e\u9700\u8981\u6dfb\u52a0\u66f4\u591a\u529f\u80fd\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u9002\u7528\u4e8e\u7b80\u5355\u7684\u6570\u7ec4\u64cd\u4f5c\uff0c\u8fd8\u53ef\u4ee5\u4f5c\u4e3a\u590d\u6742\u6570\u636e\u7ed3\u6784\u7684\u57fa\u7840\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\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\uff1f<\/strong><br \/>\u8981\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684\u7c7b\u5b9a\u4e49\u529f\u80fd\u3002\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u7c7b\uff0c\u4f7f\u7528\u5217\u8868\u4f5c\u4e3a\u57fa\u7840\u6570\u636e\u7ed3\u6784\uff0c\u6dfb\u52a0\u4e00\u4e9b\u65b9\u6cd5\u6765\u5b9e\u73b0\u6570\u7ec4\u7684\u5e38\u89c1\u64cd\u4f5c\uff0c\u5982\u6dfb\u52a0\u3001\u5220\u9664\u548c\u8bbf\u95ee\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-python\">class MyArray:\n    def __init__(self):\n        self.data = []\n\n    def append(self, value):\n        self.data.append(value)\n\n    def remove(self, value):\n        self.data.remove(value)\n\n    def get(self, index):\n        return self.data[index]\n\n    def __len__(self):\n        return len(self.data)\n<\/code><\/pre>\n<p><strong>\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\u7684\u4f18\u52bf\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\u901a\u8fc7\u5b9a\u4e49\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\uff0c\u60a8\u53ef\u4ee5\u5b9e\u73b0\u7279\u5b9a\u7684\u529f\u80fd\u4ee5\u6ee1\u8db3\u9879\u76ee\u9700\u6c42\uff0c\u6bd4\u5982\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3001\u6dfb\u52a0\u6570\u636e\u9a8c\u8bc1\u3001\u6216\u8005\u4f18\u5316\u6027\u80fd\u3002\u6b64\u5916\uff0c\u60a8\u53ef\u4ee5\u5c01\u88c5\u6570\u7ec4\u7684\u64cd\u4f5c\uff0c\u4f7f\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p><strong>\u5982\u4f55\u6269\u5c55\u81ea\u5b9a\u4e49\u6570\u7ec4\u7c7b\u4ee5\u652f\u6301\u591a\u7ef4\u6570\u7ec4\uff1f<\/strong><br \/>\u53ef\u4ee5\u901a\u8fc7\u5728\u7c7b\u4e2d\u5d4c\u5957\u5176\u4ed6\u6570\u7ec4\u5b9e\u4f8b\u6216\u4f7f\u7528\u5d4c\u5957\u5217\u8868\u6765\u5b9e\u73b0\u591a\u7ef4\u6570\u7ec4\u3002\u5b9a\u4e49\u9002\u5f53\u7684\u65b9\u6cd5\u6765\u5904\u7406\u591a\u7ef4\u7d22\u5f15\u548c\u8bbf\u95ee\uff0c\u53ef\u4ee5\u4f7f\u7c7b\u66f4\u7075\u6d3b\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5728<code>__getitem__<\/code>\u65b9\u6cd5\u4e2d\u5b9e\u73b0\u591a\u7ef4\u7d22\u5f15\u7684\u652f\u6301\uff0c\u4ece\u800c\u8ba9\u7528\u6237\u50cf\u4f7f\u7528\u666e\u901a\u6570\u7ec4\u4e00\u6837\u8bbf\u95ee\u5143\u7d20\u3002<\/p>\n<pre><code class=\"language-python\">class MultiDimArray:\n    def __init__(self, dimensions):\n        self.data = self.create_array(dimensions)\n\n    def create_array(self, dimensions):\n        if len(dimensions) == 1:\n            return [None] * dimensions[0]\n        return [self.create_array(dimensions[1:]) for _ in range(dimensions[0])]\n\n    def get(self, indices):\n        array = self.data\n        for index in indices:\n            array = array[index]\n        return array\n<\/code><\/pre>\n<p>\u8fd9\u4e9b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5b9a\u4e49\u548c\u6269\u5c55\u6570\u7ec4\u7c7b\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u6ee1\u8db3\u60a8\u7684\u7f16\u7a0b\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5b9a\u4e49\u6570\u7ec4\u7c7b\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u7c7b\u6765\u5b9e\u73b0\uff0c\u8fd9\u4e2a\u7c7b\u901a\u8fc7\u6784\u9020\u65b9\u6cd5\u521d\u59cb\u5316\u6570\u7ec4\u3001\u63d0\u4f9b\u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u65b9\u6cd5 [&hellip;]","protected":false},"author":3,"featured_media":1004250,"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\/1004238"}],"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=1004238"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1004238\/revisions"}],"predecessor-version":[{"id":1004251,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1004238\/revisions\/1004251"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1004250"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1004238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1004238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1004238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}