{"id":1151482,"date":"2025-01-13T17:14:07","date_gmt":"2025-01-13T09:14:07","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1151482.html"},"modified":"2025-01-13T17:14:09","modified_gmt":"2025-01-13T09:14:09","slug":"python%e5%a6%82%e4%bd%95%e5%88%97%e8%a1%a8%e5%b5%8c%e5%a5%97%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1151482.html","title":{"rendered":"python\u5982\u4f55\u5217\u8868\u5d4c\u5957\u5217\u8868"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25181714\/c87c7616-81ea-4f4a-9d0b-f8f67bae876e.webp\" alt=\"python\u5982\u4f55\u5217\u8868\u5d4c\u5957\u5217\u8868\" \/><\/p>\n<p><p> <strong>Python\u4e2d\u5217\u8868\u5d4c\u5957\u5217\u8868\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u4e5f\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u8fd9\u79cd\u7ed3\u6784\u79f0\u4e3a\u4e8c\u7ef4\u5217\u8868\u6216\u77e9\u9635\u3002<\/strong>\u3001<strong>\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u751f\u6210\u5d4c\u5957\u5217\u8868<\/strong>\u3001<strong>\u4f7f\u7528\u5faa\u73af\u521b\u5efa\u5d4c\u5957\u5217\u8868<\/strong>\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u751f\u6210\u5d4c\u5957\u5217\u8868\u3002<\/p>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u975e\u5e38\u7b80\u6d01\u548c\u9ad8\u6548\u7684\u751f\u6210\u5217\u8868\u7684\u65b9\u6cd5\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u751f\u6210\u5d4c\u5957\u5217\u8868\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u7b80\u6d01\u800c\u4e14\u6613\u4e8e\u7406\u89e3\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">nested_list = [[i + j for j in range(3)] for i in range(3)]<\/p>\n<p>print(nested_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u6bb5\u4ee3\u7801\u751f\u6210\u4e86\u4e00\u4e2a3&#215;3\u7684\u5d4c\u5957\u5217\u8868\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n<p><pre><code>[[0, 1, 2], [1, 2, 3], [2, 3, 4]]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u5730\u751f\u6210\u4e0d\u540c\u89c4\u6a21\u7684\u5d4c\u5957\u5217\u8868\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u5217\u8868\u63a8\u5bfc\u5f0f\u4e2d\u52a0\u5165\u6761\u4ef6\u5224\u65ad\u7b49\u590d\u6742\u7684\u903b\u8f91\uff0c\u4ece\u800c\u751f\u6210\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\u7684\u5d4c\u5957\u5217\u8868\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u5b9a\u4e49\u5d4c\u5957\u5217\u8868<\/h3>\n<\/p>\n<p><p>\u5b9a\u4e49\u5d4c\u5957\u5217\u8868\u7684\u6700\u7b80\u5355\u65b9\u5f0f\u662f\u624b\u52a8\u521b\u5efa\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u5305\u542b\u5176\u4ed6\u5217\u8868\u4f5c\u4e3a\u5176\u5143\u7d20\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u5c0f\u89c4\u6a21\u7684\u5d4c\u5957\u5217\u8868\uff0c\u4e14\u4e0d\u9700\u8981\u590d\u6742\u7684\u751f\u6210\u89c4\u5219\u3002<\/p>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a3&#215;3\u7684\u77e9\u9635\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">nested_list = [<\/p>\n<p>    [1, 2, 3],<\/p>\n<p>    [4, 5, 6],<\/p>\n<p>    [7, 8, 9]<\/p>\n<p>]<\/p>\n<p>print(nested_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u7b80\u5355\u76f4\u89c2\uff0c\u4f46\u5bf9\u4e8e\u5927\u89c4\u6a21\u6216\u590d\u6742\u7ed3\u6784\u7684\u5d4c\u5957\u5217\u8868\uff0c\u624b\u52a8\u5b9a\u4e49\u663e\u5f97\u7e41\u7410\u4e14\u5bb9\u6613\u51fa\u9519\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u751f\u6210\u5d4c\u5957\u5217\u8868<\/h3>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u751f\u6210\u5217\u8868\u7684\u7b80\u6d01\u65b9\u6cd5\u3002\u5bf9\u4e8e\u5d4c\u5957\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u7684\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u751f\u6210\u3002<\/p>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c\u751f\u6210\u4e00\u4e2a3&#215;3\u7684\u77e9\u9635\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">nested_list = [[i + j for j in range(3)] for i in range(3)]<\/p>\n<p>print(nested_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u7b80\u6d01\uff0c\u800c\u4e14\u53ef\u4ee5\u65b9\u4fbf\u5730\u63a7\u5236\u5217\u8868\u7684\u89c4\u6a21\u548c\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u5faa\u73af\u521b\u5efa\u5d4c\u5957\u5217\u8868<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u5faa\u73af\u6765\u521b\u5efa\u5d4c\u5957\u5217\u8868\u662f\u4e00\u79cd\u66f4\u52a0\u7075\u6d3b\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u9700\u8981\u8fdb\u884c\u590d\u6742\u903b\u8f91\u5904\u7406\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c\u751f\u6210\u4e00\u4e2a3&#215;3\u7684\u77e9\u9635\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">nested_list = []<\/p>\n<p>for i in range(3):<\/p>\n<p>    row = []<\/p>\n<p>    for j in range(3):<\/p>\n<p>        row.append(i + j)<\/p>\n<p>    nested_list.append(row)<\/p>\n<p>print(nested_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u4ee3\u7801\u91cf\u8f83\u591a\uff0c\u4f46\u903b\u8f91\u6e05\u6670\uff0c\u6613\u4e8e\u7406\u89e3\u548c\u7ef4\u62a4\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u8bbf\u95ee\u5d4c\u5957\u5217\u8868\u7684\u5143\u7d20<\/h3>\n<\/p>\n<p><p>\u8bbf\u95ee\u5d4c\u5957\u5217\u8868\u7684\u5143\u7d20\u9700\u8981\u4f7f\u7528\u591a\u91cd\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4e00\u4e2a3&#215;3\u7684\u77e9\u9635<code>nested_list<\/code>\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8bbf\u95ee\u5176\u5143\u7d20\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8bbf\u95ee\u7b2c\u4e00\u884c\u7b2c\u4e8c\u5217\u7684\u5143\u7d20<\/p>\n<p>element = nested_list[0][1]<\/p>\n<p>print(element)  # \u8f93\u51fa\uff1a2<\/p>\n<h2><strong>\u4fee\u6539\u7b2c\u4e00\u884c\u7b2c\u4e8c\u5217\u7684\u5143\u7d20<\/strong><\/h2>\n<p>nested_list[0][1] = 10<\/p>\n<p>print(nested_list)  # \u8f93\u51fa\uff1a[[1, 10, 3], [4, 5, 6], [7, 8, 9]]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e94\u3001\u904d\u5386\u5d4c\u5957\u5217\u8868<\/h3>\n<\/p>\n<p><p>\u904d\u5386\u5d4c\u5957\u5217\u8868\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u7684\u5faa\u73af\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">for row in nested_list:<\/p>\n<p>    for element in row:<\/p>\n<p>        print(element, end=&#39; &#39;)<\/p>\n<p>    print()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4f9d\u6b21\u8bbf\u95ee\u5d4c\u5957\u5217\u8868\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\uff0c\u9002\u7528\u4e8e\u5bf9\u5d4c\u5957\u5217\u8868\u8fdb\u884c\u9010\u5143\u7d20\u5904\u7406\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u4f7f\u7528NumPy\u5e93\u5904\u7406\u5d4c\u5957\u5217\u8868<\/h3>\n<\/p>\n<p><p>\u5728\u8fdb\u884c\u590d\u6742\u7684\u6570\u5b66\u8fd0\u7b97\u6216\u5927\u89c4\u6a21\u6570\u636e\u5904\u7406\u65f6\uff0c\u5efa\u8bae\u4f7f\u7528NumPy\u5e93\u3002NumPy\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u591a\u7ef4\u6570\u7ec4\u5bf9\u8c61\uff08ndarray\uff09\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u5904\u7406\u5d4c\u5957\u5217\u8868\u3002<\/p>\n<\/p>\n<p><p>\u5b89\u88c5NumPy\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install numpy<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528NumPy\u5904\u7406\u5d4c\u5957\u5217\u8868\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p>nested_list = [<\/p>\n<p>    [1, 2, 3],<\/p>\n<p>    [4, 5, 6],<\/p>\n<p>    [7, 8, 9]<\/p>\n<p>]<\/p>\n<h2><strong>\u5c06\u5d4c\u5957\u5217\u8868\u8f6c\u6362\u4e3aNumPy\u6570\u7ec4<\/strong><\/h2>\n<p>array = np.array(nested_list)<\/p>\n<h2><strong>\u8bbf\u95eeNumPy\u6570\u7ec4\u7684\u5143\u7d20<\/strong><\/h2>\n<p>print(array[0, 1])  # \u8f93\u51fa\uff1a2<\/p>\n<h2><strong>\u4fee\u6539NumPy\u6570\u7ec4\u7684\u5143\u7d20<\/strong><\/h2>\n<p>array[0, 1] = 10<\/p>\n<p>print(array)  # \u8f93\u51fa\uff1a[[ 1 10  3] [ 4  5  6] [ 7  8  9]]<\/p>\n<h2><strong>\u8fdb\u884c\u77e9\u9635\u8fd0\u7b97<\/strong><\/h2>\n<p>result = array + array<\/p>\n<p>print(result)  # \u8f93\u51fa\uff1a[[ 2 20  6] [ 8 10 12] [14 16 18]]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e03\u3001\u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p>\u5728\u4f7f\u7528\u5d4c\u5957\u5217\u8868\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\uff0c\u5982\u8bbf\u95ee\u8d8a\u754c\u3001\u590d\u5236\u5d4c\u5957\u5217\u8868\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<p><h4>1\u3001\u8bbf\u95ee\u8d8a\u754c<\/h4>\n<\/p>\n<p><p>\u8bbf\u95ee\u5d4c\u5957\u5217\u8868\u65f6\uff0c\u5982\u679c\u7d22\u5f15\u8d85\u51fa\u8303\u56f4\uff0c\u4f1a\u5f15\u53d1<code>IndexError<\/code>\u5f02\u5e38\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u786e\u4fdd\u8bbf\u95ee\u524d\u68c0\u67e5\u7d22\u5f15\u8303\u56f4\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">if 0 &lt;= i &lt; len(nested_list) and 0 &lt;= j &lt; len(nested_list[i]):<\/p>\n<p>    element = nested_list[i][j]<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u7d22\u5f15\u8d8a\u754c&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u590d\u5236\u5d4c\u5957\u5217\u8868<\/h4>\n<\/p>\n<p><p>\u76f4\u63a5\u590d\u5236\u5d4c\u5957\u5217\u8868\u4f1a\u4ea7\u751f\u6d45\u590d\u5236\uff0c\u5373\u590d\u5236\u540e\u7684\u5217\u8868\u4e0e\u539f\u5217\u8868\u5171\u4eab\u5185\u90e8\u5217\u8868\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u4f7f\u7528\u6df1\u590d\u5236\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import copy<\/p>\n<p>nested_list_copy = copy.deepcopy(nested_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3\u3001\u5d4c\u5957\u5217\u8868\u7684\u6bd4\u8f83<\/h4>\n<\/p>\n<p><p>\u76f4\u63a5\u6bd4\u8f83\u5d4c\u5957\u5217\u8868\u65f6\uff0cPython\u4f1a\u9010\u5143\u7d20\u8fdb\u884c\u6bd4\u8f83\uff0c\u786e\u4fdd\u5d4c\u5957\u7ed3\u6784\u53ca\u5143\u7d20\u5b8c\u5168\u76f8\u540c\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">nested_list1 = [[1, 2], [3, 4]]<\/p>\n<p>nested_list2 = [[1, 2], [3, 4]]<\/p>\n<p>print(nested_list1 == nested_list2)  # \u8f93\u51fa\uff1aTrue<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u516b\u3001\u5d4c\u5957\u5217\u8868\u7684\u5b9e\u9645\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5d4c\u5957\u5217\u8868\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u6709\u5e7f\u6cdb\u7684\u7528\u9014\uff0c\u5982\u5904\u7406\u4e8c\u7ef4\u6570\u636e\u3001\u56fe\u50cf\u5904\u7406\u3001\u77e9\u9635\u8fd0\u7b97\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5b9e\u9645\u5e94\u7528\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><h4>1\u3001\u4e8c\u7ef4\u6570\u636e\u5904\u7406<\/h4>\n<\/p>\n<p><p>\u5728\u5904\u7406\u4e8c\u7ef4\u6570\u636e\u65f6\uff0c\u5d4c\u5957\u5217\u8868\u53ef\u4ee5\u8868\u793a\u8868\u683c\u6570\u636e\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8868\u793a\u4e00\u4e2a3x3\u7684\u8868\u683c<\/p>\n<p>data = [<\/p>\n<p>    [&quot;Name&quot;, &quot;Age&quot;, &quot;City&quot;],<\/p>\n<p>    [&quot;Alice&quot;, 25, &quot;New York&quot;],<\/p>\n<p>    [&quot;Bob&quot;, 30, &quot;Los Angeles&quot;]<\/p>\n<p>]<\/p>\n<h2><strong>\u8bbf\u95ee\u8868\u683c\u6570\u636e<\/strong><\/h2>\n<p>for row in data:<\/p>\n<p>    print(row)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u56fe\u50cf\u5904\u7406<\/h4>\n<\/p>\n<p><p>\u5728\u56fe\u50cf\u5904\u7406\u9886\u57df\uff0c\u56fe\u50cf\u53ef\u4ee5\u8868\u793a\u4e3a\u5d4c\u5957\u5217\u8868\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u8868\u793a\u4e00\u4e2a\u50cf\u7d20\u503c\u3002\u4f8b\u5982\uff0c\u7070\u5ea6\u56fe\u50cf\u53ef\u4ee5\u8868\u793a\u4e3a\u4e8c\u7ef4\u5d4c\u5957\u5217\u8868\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8868\u793a\u4e00\u4e2a3x3\u7684\u7070\u5ea6\u56fe\u50cf<\/p>\n<p>image = [<\/p>\n<p>    [0, 255, 128],<\/p>\n<p>    [64, 128, 192],<\/p>\n<p>    [255, 0, 64]<\/p>\n<p>]<\/p>\n<h2><strong>\u904d\u5386\u56fe\u50cf\u50cf\u7d20<\/strong><\/h2>\n<p>for row in image:<\/p>\n<p>    for pixel in row:<\/p>\n<p>        print(pixel, end=&#39; &#39;)<\/p>\n<p>    print()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3\u3001\u77e9\u9635\u8fd0\u7b97<\/h4>\n<\/p>\n<p><p>\u5728\u6570\u5b66\u8fd0\u7b97\u4e2d\uff0c\u77e9\u9635\u8fd0\u7b97\u662f\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\u4e4b\u4e00\u3002\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5217\u8868\u8868\u793a\u77e9\u9635\uff0c\u5e76\u8fdb\u884c\u77e9\u9635\u52a0\u6cd5\u3001\u4e58\u6cd5\u7b49\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u77e9\u9635\u52a0\u6cd5<\/p>\n<p>matrix1 = [<\/p>\n<p>    [1, 2],<\/p>\n<p>    [3, 4]<\/p>\n<p>]<\/p>\n<p>matrix2 = [<\/p>\n<p>    [5, 6],<\/p>\n<p>    [7, 8]<\/p>\n<p>]<\/p>\n<h2><strong>\u7ed3\u679c\u77e9\u9635<\/strong><\/h2>\n<p>result = [<\/p>\n<p>    [matrix1[i][j] + matrix2[i][j] for j in range(len(matrix1[0]))]<\/p>\n<p>    for i in range(len(matrix1))<\/p>\n<p>]<\/p>\n<p>print(result)  # \u8f93\u51fa\uff1a[[6, 8], [10, 12]]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e5d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u5d4c\u5957\u5217\u8868\u662fPython\u4e2d\u5904\u7406\u4e8c\u7ef4\u53ca\u591a\u7ef4\u6570\u636e\u7684\u5e38\u7528\u7ed3\u6784\u3002\u901a\u8fc7\u624b\u52a8\u5b9a\u4e49\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u548c\u5faa\u73af\u7b49\u65b9\u5f0f\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u751f\u6210\u5d4c\u5957\u5217\u8868\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528\u5d4c\u5957\u5217\u8868\u8fdb\u884c\u4e8c\u7ef4\u6570\u636e\u5904\u7406\u3001\u56fe\u50cf\u5904\u7406\u548c\u77e9\u9635\u8fd0\u7b97\u7b49\u64cd\u4f5c\u3002\u6b64\u5916\uff0cNumPy\u5e93\u63d0\u4f9b\u4e86\u66f4\u52a0\u9ad8\u6548\u548c\u4fbf\u6377\u7684\u591a\u7ef4\u6570\u7ec4\u5904\u7406\u529f\u80fd\uff0c\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u5904\u7406\u548c\u590d\u6742\u6570\u5b66\u8fd0\u7b97\u3002<\/p>\n<\/p>\n<p><p>\u5728\u4f7f\u7528\u5d4c\u5957\u5217\u8868\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u8bbf\u95ee\u8d8a\u754c\u3001\u6df1\u6d45\u590d\u5236\u7b49\u5e38\u89c1\u95ee\u9898\uff0c\u5e76\u7ed3\u5408\u5b9e\u9645\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u5904\u7406\u65b9\u6cd5\u3002\u901a\u8fc7\u5408\u7406\u8fd0\u7528\u5d4c\u5957\u5217\u8868\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u5904\u7406\u548c\u64cd\u4f5c\u591a\u7ef4\u6570\u636e\uff0c\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\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\u5d4c\u5957\u5217\u8868\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u5d4c\u5957\u5217\u8868\u53ef\u4ee5\u901a\u8fc7\u5c06\u4e00\u4e2a\u5217\u8868\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u5217\u8868\u7684\u5143\u7d20\u6765\u521b\u5efa\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u5b9a\u4e49\u4e00\u4e2a\u5d4c\u5957\u5217\u8868\uff1a  <\/p>\n<pre><code class=\"language-python\">nested_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]\n<\/code><\/pre>\n<p>\u8fd9\u6837\uff0c\u4f60\u5c31\u5f97\u5230\u4e86\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5b50\u5217\u8868\u7684\u5217\u8868\u3002\u5d4c\u5957\u5217\u8868\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982\u77e9\u9635\u6216\u8868\u683c\u3002<\/p>\n<p><strong>\u5982\u4f55\u8bbf\u95ee\u5d4c\u5957\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff1f<\/strong><br \/>\u8981\u8bbf\u95ee\u5d4c\u5957\u5217\u8868\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4e0a\u9762\u5b9a\u4e49\u7684<code>nested_list<\/code>\uff0c\u8981\u83b7\u53d6\u7b2c\u4e8c\u4e2a\u5b50\u5217\u8868\u7684\u7b2c\u4e09\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528<code>nested_list[1][2]<\/code>\uff0c\u8fd9\u5c06\u8fd4\u56de6\u3002\u8bb0\u5f97Python\u7684\u7d22\u5f15\u662f\u4ece0\u5f00\u59cb\u7684\u3002<\/p>\n<p><strong>\u5d4c\u5957\u5217\u8868\u53ef\u4ee5\u7528\u6765\u89e3\u51b3\u54ea\u4e9b\u5b9e\u9645\u95ee\u9898\uff1f<\/strong><br \/>\u5d4c\u5957\u5217\u8868\u975e\u5e38\u9002\u5408\u7528\u4e8e\u8868\u793a\u4e8c\u7ef4\u6570\u636e\uff0c\u4f8b\u5982\u56fe\u50cf\u50cf\u7d20\u3001\u68cb\u76d8\u6e38\u620f\u7684\u72b6\u6001\u6216\u4efb\u4f55\u9700\u8981\u5c42\u7ea7\u7ed3\u6784\u7684\u6570\u636e\u3002\u901a\u8fc7\u4f7f\u7528\u5d4c\u5957\u5217\u8868\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u7ec4\u7ec7\u548c\u5904\u7406\u590d\u6742\u7684\u6570\u636e\u96c6\uff0c\u4f7f\u5f97\u64cd\u4f5c\u548c\u8ba1\u7b97\u66f4\u4e3a\u7b80\u4fbf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u5217\u8868\u5d4c\u5957\u5217\u8868\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u4e5f\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u8fd9\u79cd\u7ed3\u6784\u79f0\u4e3a\u4e8c\u7ef4\u5217\u8868\u6216\u77e9\u9635\u3002\u3001\u901a\u8fc7\u5217 [&hellip;]","protected":false},"author":3,"featured_media":1151488,"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\/1151482"}],"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=1151482"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1151482\/revisions"}],"predecessor-version":[{"id":1151490,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1151482\/revisions\/1151490"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1151488"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1151482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1151482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1151482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}