{"id":1131081,"date":"2025-01-08T20:45:39","date_gmt":"2025-01-08T12:45:39","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1131081.html"},"modified":"2025-01-08T20:45:42","modified_gmt":"2025-01-08T12:45:42","slug":"python%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa%e4%ba%8c%e7%bb%b4%e5%ad%97%e5%85%b8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1131081.html","title":{"rendered":"python\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u5b57\u5178"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25100944\/6f030b26-11ef-40a3-8571-d27a1d32cc2f.webp\" alt=\"python\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u5b57\u5178\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u5b57\u5178\uff0c\u53ef\u4ee5\u901a\u8fc7\u5d4c\u5957\u5b57\u5178\u5b9e\u73b0\u3002<\/strong>\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\uff0c\u5176\u4e2d\u6bcf\u4e2a\u952e\u5bf9\u5e94\u53e6\u4e00\u4e2a\u5b57\u5178\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u4e8c\u7ef4\u7ed3\u6784\u3002\u6700\u5e38\u89c1\u7684\u65b9\u5f0f\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u65b9\u6cd5<code>dict<\/code>\u3001\u5b57\u5178\u63a8\u5bfc\u5f0f\u4ee5\u53ca<code>defaultdict<\/code>\u6a21\u5757\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528\u5185\u7f6e\u65b9\u6cd5\u521b\u5efa\u4e8c\u7ef4\u5b57\u5178<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7Python\u5185\u7f6e\u7684<code>dict<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u624b\u52a8\u9010\u4e00\u6dfb\u52a0\u952e\u548c\u503c\u6765\u6784\u5efa\u4e8c\u7ef4\u5b57\u5178\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u4e8c\u7ef4\u5b57\u5178<\/p>\n<p>two_d_dict = {}<\/p>\n<h2><strong>\u6dfb\u52a0\u7b2c\u4e00\u884c\u548c\u7b2c\u4e8c\u884c<\/strong><\/h2>\n<p>two_d_dict[&#39;row1&#39;] = {&#39;col1&#39;: 1, &#39;col2&#39;: 2}<\/p>\n<p>two_d_dict[&#39;row2&#39;] = {&#39;col1&#39;: 3, &#39;col2&#39;: 4}<\/p>\n<p>print(two_d_dict)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u5728\u5b57\u5178\u7ed3\u6784\u76f8\u5bf9\u7b80\u5355\uff0c\u4e14\u5df2\u77e5\u952e\u503c\u5bf9\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u5b57\u5178\u63a8\u5bfc\u5f0f\u521b\u5efa\u4e8c\u7ef4\u5b57\u5178<\/h3>\n<\/p>\n<p><p>\u5b57\u5178\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u6784\u5efa\u5b57\u5178\u7684\u65b9\u6cd5\uff0c\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u57fa\u4e8e\u4e00\u5b9a\u89c4\u5219\u751f\u6210\u5b57\u5178\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u521b\u5efa\u4e00\u4e2a3x3\u7684\u4e8c\u7ef4\u5b57\u5178<\/p>\n<p>two_d_dict = {i: {j: i*j for j in range(1, 4)} for i in range(1, 4)}<\/p>\n<p>print(two_d_dict)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u5f0f\u901a\u8fc7\u5d4c\u5957\u7684\u5faa\u73af\uff0c\u52a8\u6001\u5730\u751f\u6210\u952e\u548c\u503c\uff0c\u975e\u5e38\u9002\u5408\u5728\u9700\u8981\u6784\u5efa\u8f83\u5927\u6216\u52a8\u6001\u7684\u4e8c\u7ef4\u5b57\u5178\u65f6\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528<code>defaultdict<\/code>\u521b\u5efa\u4e8c\u7ef4\u5b57\u5178<\/h3>\n<\/p>\n<p><p><code>defaultdict<\/code>\u662f<code>collections<\/code>\u6a21\u5757\u4e2d\u7684\u4e00\u4e2a\u7c7b\uff0c\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u9ed8\u8ba4\u503c\u7ed9\u5b57\u5178\u4e2d\u7684\u6bcf\u4e00\u4e2a\u952e\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u7b80\u5316\u4ee3\u7801\uff0c\u907f\u514d\u5728\u8bbf\u95ee\u672a\u5b9a\u4e49\u952e\u65f6\u629b\u51faKeyError\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from collections import defaultdict<\/p>\n<h2><strong>\u521b\u5efa\u4e00\u4e2adefaultdict\uff0c\u6bcf\u4e2a\u952e\u7684\u503c\u9ed8\u8ba4\u662f\u53e6\u4e00\u4e2a\u5b57\u5178<\/strong><\/h2>\n<p>two_d_dict = defaultdict(dict)<\/p>\n<h2><strong>\u6dfb\u52a0\u6570\u636e<\/strong><\/h2>\n<p>two_d_dict[&#39;row1&#39;][&#39;col1&#39;] = 1<\/p>\n<p>two_d_dict[&#39;row1&#39;][&#39;col2&#39;] = 2<\/p>\n<p>two_d_dict[&#39;row2&#39;][&#39;col1&#39;] = 3<\/p>\n<p>two_d_dict[&#39;row2&#39;][&#39;col2&#39;] = 4<\/p>\n<p>print(two_d_dict)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u9002\u5408\u5728\u6570\u636e\u91cf\u8f83\u5927\uff0c\u4e14\u4e0d\u786e\u5b9a\u6240\u6709\u952e\u503c\u5bf9\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u4f7f\u7528<code>setdefault<\/code>\u65b9\u6cd5\u521b\u5efa\u4e8c\u7ef4\u5b57\u5178<\/h3>\n<\/p>\n<p><p><code>setdefault<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5728\u5b57\u5178\u4e2d\u63d2\u5165\u952e\u503c\u5bf9\uff0c\u540c\u65f6\u53ef\u4ee5\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u63d2\u5165\u65b0\u503c\u65f6\uff0c\u68c0\u67e5\u952e\u662f\u5426\u5df2\u5b58\u5728\uff0c\u82e5\u4e0d\u5b58\u5728\u5219\u63d2\u5165\u9ed8\u8ba4\u503c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u4e8c\u7ef4\u5b57\u5178<\/p>\n<p>two_d_dict = {}<\/p>\n<h2><strong>\u4f7f\u7528setdefault\u65b9\u6cd5\u6dfb\u52a0\u6570\u636e<\/strong><\/h2>\n<p>two_d_dict.setdefault(&#39;row1&#39;, {}).setdefault(&#39;col1&#39;, 1)<\/p>\n<p>two_d_dict.setdefault(&#39;row1&#39;, {}).setdefault(&#39;col2&#39;, 2)<\/p>\n<p>two_d_dict.setdefault(&#39;row2&#39;, {}).setdefault(&#39;col1&#39;, 3)<\/p>\n<p>two_d_dict.setdefault(&#39;row2&#39;, {}).setdefault(&#39;col2&#39;, 4)<\/p>\n<p>print(two_d_dict)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u5728\u63d2\u5165\u65b0\u503c\u65f6\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514dKeyError\uff0c\u5e76\u4fdd\u6301\u4ee3\u7801\u7b80\u6d01\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u5e94\u7528\u573a\u666f\u4e0e\u5b9e\u9645\u6848\u4f8b<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u4e8c\u7ef4\u5b57\u5178\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u65f6\u3002\u4f8b\u5982\uff0c\u5904\u7406\u8868\u683c\u6570\u636e\u3001\u7edf\u8ba1\u6570\u636e\u3001\u6784\u5efa\u90bb\u63a5\u77e9\u9635\u7b49\u3002<\/p>\n<\/p>\n<p><h4>1. \u8868\u683c\u6570\u636e<\/h4>\n<\/p>\n<p><p>\u5728\u5904\u7406\u8868\u683c\u6570\u636e\u65f6\uff0c\u4e8c\u7ef4\u5b57\u5178\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u6bcf\u4e00\u884c\u6bcf\u4e00\u5217\u7684\u503c\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u5b66\u6821\u7684\u6210\u7ee9\u5355\uff0c\u53ef\u4ee5\u7528\u4e8c\u7ef4\u5b57\u5178\u6765\u8868\u793a\u5b66\u751f\u548c\u79d1\u76ee\u7684\u5206\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u4e8c\u7ef4\u5b57\u5178<\/p>\n<p>grades = {}<\/p>\n<h2><strong>\u6dfb\u52a0\u5b66\u751f\u7684\u6210\u7ee9<\/strong><\/h2>\n<p>grades.setdefault(&#39;Alice&#39;, {}).setdefault(&#39;Math&#39;, 90)<\/p>\n<p>grades.setdefault(&#39;Alice&#39;, {}).setdefault(&#39;Science&#39;, 85)<\/p>\n<p>grades.setdefault(&#39;Bob&#39;, {}).setdefault(&#39;Math&#39;, 80)<\/p>\n<p>grades.setdefault(&#39;Bob&#39;, {}).setdefault(&#39;Science&#39;, 88)<\/p>\n<p>print(grades)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u7edf\u8ba1\u6570\u636e<\/h4>\n<\/p>\n<p><p>\u5728\u7edf\u8ba1\u6570\u636e\u65f6\uff0c\u4e8c\u7ef4\u5b57\u5178\u53ef\u4ee5\u7528\u6765\u8bb0\u5f55\u4e0d\u540c\u7c7b\u522b\u4e0b\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u7edf\u8ba1\u4e0d\u540c\u5730\u533a\u4e0d\u540c\u5e74\u4efd\u7684\u9500\u552e\u6570\u636e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u4e8c\u7ef4\u5b57\u5178<\/p>\n<p>sales_data = {}<\/p>\n<h2><strong>\u6dfb\u52a0\u9500\u552e\u6570\u636e<\/strong><\/h2>\n<p>sales_data.setdefault(&#39;2020&#39;, {}).setdefault(&#39;Region1&#39;, 1000)<\/p>\n<p>sales_data.setdefault(&#39;2020&#39;, {}).setdefault(&#39;Region2&#39;, 1500)<\/p>\n<p>sales_data.setdefault(&#39;2021&#39;, {}).setdefault(&#39;Region1&#39;, 1200)<\/p>\n<p>sales_data.setdefault(&#39;2021&#39;, {}).setdefault(&#39;Region2&#39;, 1600)<\/p>\n<p>print(sales_data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u6784\u5efa\u90bb\u63a5\u77e9\u9635<\/h4>\n<\/p>\n<p><p>\u5728\u56fe\u8bba\u4e2d\uff0c\u90bb\u63a5\u77e9\u9635\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u6765\u8868\u793a\u56fe\u4e2d\u9876\u70b9\u4e4b\u95f4\u7684\u8fde\u63a5\u5173\u7cfb\u3002\u4e8c\u7ef4\u5b57\u5178\u53ef\u4ee5\u7528\u6765\u6784\u5efa\u90bb\u63a5\u77e9\u9635\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u4e8c\u7ef4\u5b57\u5178<\/p>\n<p>adj_matrix = {}<\/p>\n<h2><strong>\u6dfb\u52a0\u8fb9<\/strong><\/h2>\n<p>adj_matrix.setdefault(&#39;A&#39;, {}).setdefault(&#39;B&#39;, 1)<\/p>\n<p>adj_matrix.setdefault(&#39;A&#39;, {}).setdefault(&#39;C&#39;, 1)<\/p>\n<p>adj_matrix.setdefault(&#39;B&#39;, {}).setdefault(&#39;C&#39;, 1)<\/p>\n<p>adj_matrix.setdefault(&#39;C&#39;, {}).setdefault(&#39;A&#39;, 1)<\/p>\n<p>print(adj_matrix)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u516d\u3001\u6027\u80fd\u4e0e\u4f18\u5316<\/h3>\n<\/p>\n<p><p>\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u65f6\uff0c\u6027\u80fd\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f18\u5316\u4e8c\u7ef4\u5b57\u5178\u6027\u80fd\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<p><h4>1. \u4f7f\u7528<code>defaultdict<\/code>\u7b80\u5316\u4ee3\u7801<\/h4>\n<\/p>\n<p><p><code>defaultdict<\/code>\u4e0d\u4ec5\u53ef\u4ee5\u7b80\u5316\u4ee3\u7801\uff0c\u8fd8\u53ef\u4ee5\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6\uff0c\u7279\u522b\u662f\u5728\u9891\u7e41\u63d2\u5165\u65b0\u952e\u503c\u5bf9\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n<\/p>\n<p><h4>2. \u9884\u5206\u914d\u7a7a\u95f4<\/h4>\n<\/p>\n<p><p>\u5728\u521b\u5efa\u4e8c\u7ef4\u5b57\u5178\u65f6\uff0c\u53ef\u4ee5\u9884\u5148\u5206\u914d\u7a7a\u95f4\uff0c\u907f\u514d\u5728\u8fd0\u884c\u65f6\u9891\u7e41\u6269\u5c55\u5b57\u5178\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u9884\u5206\u914d\u7a7a\u95f4\u7684\u4e8c\u7ef4\u5b57\u5178<\/p>\n<p>two_d_dict = {i: {j: 0 for j in range(1, 1001)} for i in range(1, 1001)}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u4f7f\u7528\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784<\/h4>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5176\u4ed6\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784\uff0c\u4f8b\u5982NumPy\u6570\u7ec4\uff0c\u6765\u66ff\u4ee3\u4e8c\u7ef4\u5b57\u5178\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<h2><strong>\u4f7f\u7528NumPy\u6570\u7ec4\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/h2>\n<p>two_d_array = np.zeros((1000, 1000))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u4e0a\u8ff0\u51e0\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u5728Python\u4e2d\u521b\u5efa\u548c\u7ba1\u7406\u4e8c\u7ef4\u5b57\u5178\u3002\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7b80\u5316\u4ee3\u7801\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<strong>\u65e0\u8bba\u662f\u4f7f\u7528\u5185\u7f6e\u65b9\u6cd5\u3001\u5b57\u5178\u63a8\u5bfc\u5f0f\u3001<code>defaultdict<\/code>\u8fd8\u662f<code>setdefault<\/code>\u65b9\u6cd5\uff0c\u90fd\u53ef\u4ee5\u5b9e\u73b0\u4e8c\u7ef4\u5b57\u5178\u7684\u521b\u5efa\u548c\u64cd\u4f5c<\/strong>\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u4e8c\u7ef4\u5b57\u5178\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5904\u7406\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\uff0c\u6ee1\u8db3\u5404\u79cd\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\u4e00\u4e2a\u7a7a\u7684\u4e8c\u7ef4\u5b57\u5178\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5d4c\u5957\u5b57\u5178\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u4e8c\u7ef4\u5b57\u5178\u3002\u53ef\u4ee5\u5148\u521b\u5efa\u4e00\u4e2a\u7a7a\u5b57\u5178\uff0c\u7136\u540e\u5728\u5176\u4e2d\u7684\u6bcf\u4e2a\u952e\u5bf9\u5e94\u7684\u503c\u4e2d\u518d\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">two_dim_dict = {\n    &#39;key1&#39;: {},\n    &#39;key2&#39;: {}\n}\n<\/code><\/pre>\n<p>\u8fd9\u6837\uff0c\u4f60\u5c31\u53ef\u4ee5\u5728<code>two_dim_dict<\/code>\u4e2d\u6dfb\u52a0\u66f4\u591a\u7684\u952e\u503c\u5bf9\uff0c\u5f62\u6210\u4e00\u4e2a\u4e8c\u7ef4\u5b57\u5178\u3002<\/p>\n<p><strong>\u5982\u4f55\u5411\u4e8c\u7ef4\u5b57\u5178\u4e2d\u6dfb\u52a0\u6570\u636e\uff1f<\/strong><br \/>\u8981\u5411\u4e8c\u7ef4\u5b57\u5178\u4e2d\u6dfb\u52a0\u6570\u636e\uff0c\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u6307\u5b9a\u952e\u6765\u8bbf\u95ee\u5185\u5c42\u5b57\u5178\uff0c\u5e76\u4e3a\u5176\u8d4b\u503c\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">two_dim_dict[&#39;key1&#39;][&#39;subkey1&#39;] = &#39;value1&#39;\ntwo_dim_dict[&#39;key1&#39;][&#39;subkey2&#39;] = &#39;value2&#39;\ntwo_dim_dict[&#39;key2&#39;][&#39;subkey1&#39;] = &#39;value3&#39;\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u5728\u4e8c\u7ef4\u5b57\u5178\u4e2d\u6dfb\u52a0\u548c\u7ba1\u7406\u6570\u636e\u3002<\/p>\n<p><strong>\u5982\u4f55\u904d\u5386\u4e00\u4e2a\u4e8c\u7ef4\u5b57\u5178\u5e76\u6253\u5370\u5176\u5185\u5bb9\uff1f<\/strong><br \/>\u904d\u5386\u4e8c\u7ef4\u5b57\u5178\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u7684\u5faa\u73af\u7ed3\u6784\u3002\u5916\u5c42\u5faa\u73af\u904d\u5386\u7b2c\u4e00\u5c42\u5b57\u5178\u7684\u952e\u53ca\u5176\u5bf9\u5e94\u7684\u503c\uff0c\u5185\u5c42\u5faa\u73af\u904d\u5386\u6bcf\u4e2a\u5b50\u5b57\u5178\u7684\u952e\u503c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">for outer_key, inner_dict in two_dim_dict.items():\n    print(f&quot;{outer_key}:&quot;)\n    for inner_key, value in inner_dict.items():\n        print(f&quot;  {inner_key}: {value}&quot;)\n<\/code><\/pre>\n<p>\u8fd9\u6837\uff0c\u4f60\u5c31\u80fd\u6e05\u6670\u5730\u67e5\u770b\u5230\u4e8c\u7ef4\u5b57\u5178\u4e2d\u6240\u6709\u7684\u952e\u503c\u5bf9\uff0c\u4fbf\u4e8e\u6570\u636e\u7684\u7ba1\u7406\u4e0e\u8c03\u8bd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u5b57\u5178\uff0c\u53ef\u4ee5\u901a\u8fc7\u5d4c\u5957\u5b57\u5178\u5b9e\u73b0\u3002\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\uff0c\u5176\u4e2d\u6bcf\u4e2a\u952e\u5bf9\u5e94\u53e6\u4e00\u4e2a\u5b57\u5178\uff0c\u8fd9\u6837\u5c31\u53ef [&hellip;]","protected":false},"author":3,"featured_media":1131088,"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\/1131081"}],"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=1131081"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1131081\/revisions"}],"predecessor-version":[{"id":1131092,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1131081\/revisions\/1131092"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1131088"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1131081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1131081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1131081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}