{"id":940551,"date":"2024-12-26T21:02:21","date_gmt":"2024-12-26T13:02:21","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/940551.html"},"modified":"2024-12-26T21:02:23","modified_gmt":"2024-12-26T13:02:23","slug":"python%e5%a6%82%e4%bd%95%e6%89%93%e5%8d%b0list","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/940551.html","title":{"rendered":"python\u5982\u4f55\u6253\u5370list"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25075134\/f8168b5f-8b6f-4d26-9705-ce53f9ad1612.webp\" alt=\"python\u5982\u4f55\u6253\u5370list\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u6253\u5370\u5217\u8868\u53ef\u4ee5\u4f7f\u7528print()\u51fd\u6570\u3001\u5faa\u73af\u904d\u5386\u5217\u8868\u3001\u4f7f\u7528join()\u51fd\u6570\u7b49\u65b9\u6cd5\u3002\u4f7f\u7528print()\u51fd\u6570\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u904d\u5386\u5217\u8868\u53ef\u4ee5\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u64cd\u4f5c\u540e\u518d\u6253\u5370\uff0c\u4f7f\u7528join()\u5219\u53ef\u4ee5\u4ee5\u7279\u5b9a\u683c\u5f0f\u8f93\u51fa\u5217\u8868\u3002<\/strong>\u5728\u6b64\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u65b9\u6cd5\uff0c\u5e76\u63a2\u8ba8\u5b83\u4eec\u7684\u9002\u7528\u573a\u666f\u548c\u4f18\u7f3a\u70b9\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528print()\u51fd\u6570<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u6253\u5370\u5217\u8868\u7684\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528print()\u51fd\u6570\u3002\u53ea\u9700\u5c06\u5217\u8868\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9print()\u51fd\u6570\u5373\u53ef\u8f93\u51fa\u6574\u4e2a\u5217\u8868\u5185\u5bb9\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u89c2\uff0c\u975e\u5e38\u9002\u5408\u5feb\u901f\u8c03\u8bd5\u548c\u67e5\u770b\u5217\u8868\u7684\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>print(my_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u7b80\u5355\u76f4\u63a5\uff0c\u9002\u5408\u5feb\u901f\u67e5\u770b\u5217\u8868\u5185\u5bb9\u3002\u4f46\u662f\uff0c\u5b83\u8f93\u51fa\u7684\u5217\u8868\u683c\u5f0f\u56fa\u5b9a\uff0c\u65e0\u6cd5\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f\u6216\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528\u5faa\u73af\u904d\u5386\u5217\u8868<\/p>\n<\/p>\n<p><p>\u5f53\u9700\u8981\u5bf9\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u7279\u5b9a\u64cd\u4f5c\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u5217\u8868\uff0c\u7136\u540e\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u6253\u5370\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u9700\u8981\u5bf9\u5217\u8868\u5143\u7d20\u8fdb\u884c\u683c\u5f0f\u5316\u8f93\u51fa\u6216\u5176\u4ed6\u64cd\u4f5c\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>for item in my_list:<\/p>\n<p>    print(item)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u5728\u4e8e\u7075\u6d3b\u6027\uff0c\u53ef\u4ee5\u5728\u6253\u5370\u65f6\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u683c\u5f0f\u5316\u6216\u6dfb\u52a0\u5176\u4ed6\u5904\u7406\u903b\u8f91\u3002\u4f46\u662f\uff0c\u5bf9\u4e8e\u957f\u5217\u8868\uff0c\u9010\u4e2a\u6253\u5370\u5143\u7d20\u53ef\u80fd\u4f1a\u663e\u5f97\u5197\u957f\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u4f7f\u7528join()\u51fd\u6570<\/p>\n<\/p>\n<p><p>\u5f53\u9700\u8981\u4ee5\u7279\u5b9a\u683c\u5f0f\u8f93\u51fa\u5217\u8868\u65f6\uff0c\u53ef\u4ee5\u5c06\u5217\u8868\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u4f7f\u7528join()\u51fd\u6570\u8fde\u63a5\u5404\u4e2a\u5143\u7d20\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u9700\u8981\u4ee5\u7279\u5b9a\u5206\u9694\u7b26\uff08\u5982\u9017\u53f7\u3001\u7a7a\u683c\u7b49\uff09\u8fde\u63a5\u5217\u8868\u5143\u7d20\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>print(&quot;, &quot;.join(map(str, my_list)))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cmap()\u51fd\u6570\u7528\u4e8e\u5c06\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u56e0\u4e3ajoin()\u51fd\u6570\u53ea\u63a5\u53d7\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u53c2\u6570\u3002join()\u51fd\u6570\u7684\u4f18\u70b9\u5728\u4e8e\u53ef\u4ee5\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cjoin()\u51fd\u6570\u53ea\u80fd\u7528\u4e8e\u5305\u542b\u5b57\u7b26\u4e32\u7684\u5217\u8868\uff0c\u5982\u679c\u5217\u8868\u5305\u542b\u5176\u4ed6\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\uff0c\u5219\u9700\u8981\u5148\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u7ed3\u5408\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/p>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7ed3\u5408\u8fd9\u4e9b\u65b9\u6cd5\u5bf9\u5217\u8868\u8fdb\u884c\u683c\u5f0f\u5316\u8f93\u51fa\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ecf-string\uff08\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\uff09\u548cstr.format()\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>formatted_output = &quot;The list cont<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>ns: {}&quot;.format(my_list)<\/p>\n<p>print(formatted_output)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6216\u8005\u4f7f\u7528f-string\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>formatted_output = f&quot;The list contains: {my_list}&quot;<\/p>\n<p>print(formatted_output)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5c06\u5217\u8868\u5d4c\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\uff0c\u5e76\u8f93\u51fa\u66f4\u5177\u53ef\u8bfb\u6027\u7684\u683c\u5f0f\u3002\u9002\u5408\u5728\u8f93\u51fa\u65f6\u9700\u8981\u5305\u542b\u989d\u5916\u4fe1\u606f\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u4f7f\u7528pprint\u6a21\u5757<\/p>\n<\/p>\n<p><p>\u5bf9\u4e8e\u590d\u6742\u7684\u5d4c\u5957\u5217\u8868\uff0cPython\u7684pprint\u6a21\u5757\u63d0\u4f9b\u4e86\u66f4\u52a0\u7f8e\u89c2\u548c\u6613\u8bfb\u7684\u8f93\u51fa\u683c\u5f0f\u3002pprint\u6a21\u5757\u53ef\u4ee5\u81ea\u52a8\u8c03\u6574\u8f93\u51fa\u683c\u5f0f\uff0c\u4f7f\u5176\u66f4\u52a0\u6e05\u6670\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pprint<\/p>\n<p>my_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]<\/p>\n<p>pprint.pprint(my_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>pprint\u6a21\u5757\u7279\u522b\u9002\u5408\u7528\u4e8e\u6253\u5370\u590d\u6742\u7684\u5d4c\u5957\u5217\u8868\u6216\u5b57\u5178\u7ed3\u6784\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u81ea\u52a8\u8c03\u6574\u7f29\u8fdb\u548c\u6362\u884c\uff0c\u4f7f\u8f93\u51fa\u7ed3\u679c\u66f4\u52a0\u6e05\u6670\u6613\u8bfb\u3002<\/p>\n<\/p>\n<p><p>\u516d\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u548c\u751f\u6210\u5668\u8868\u8fbe\u5f0f<\/p>\n<\/p>\n<p><p>\u5728\u4e00\u4e9b\u573a\u666f\u4e0b\uff0c\u53ef\u4ee5\u7ed3\u5408\u5217\u8868\u63a8\u5bfc\u5f0f\u548c\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u6765\u751f\u6210\u65b0\u7684\u5217\u8868\u6216\u683c\u5f0f\u5316\u8f93\u51fa\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u9700\u8981\u5bf9\u5217\u8868\u8fdb\u884c\u5904\u7406\u540e\u518d\u8f93\u51fa\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>squared_list = [x2 for x in my_list]<\/p>\n<p>print(squared_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f\u7528\u4e8e\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u539f\u5217\u8868\u5143\u7d20\u7684\u5e73\u65b9\u3002\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u53ef\u4ee5\u5728\u9700\u8981\u65f6\u9010\u4e2a\u751f\u6210\u5143\u7d20\uff0c\u9002\u5408\u5904\u7406\u5927\u6570\u636e\u96c6\u3002<\/p>\n<\/p>\n<p><p>\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\u6253\u5370\u5217\u8868\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002print()\u51fd\u6570\u9002\u5408\u5feb\u901f\u67e5\u770b\u5217\u8868\u5185\u5bb9\uff0c\u5faa\u73af\u904d\u5386\u548cjoin()\u51fd\u6570\u9002\u5408\u81ea\u5b9a\u4e49\u683c\u5f0f\u8f93\u51fa\uff0c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u53ef\u4ee5\u7ed3\u5408\u8f93\u51fa\u989d\u5916\u4fe1\u606f\uff0cpprint\u6a21\u5757\u9002\u5408\u6253\u5370\u590d\u6742\u7ed3\u6784\uff0c\u800c\u5217\u8868\u63a8\u5bfc\u5f0f\u548c\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u5219\u9002\u5408\u5728\u8f93\u51fa\u524d\u5bf9\u5217\u8868\u8fdb\u884c\u5904\u7406\u3002\u4e86\u89e3\u5e76\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u9ad8\u6548\u5730\u5904\u7406\u548c\u5c55\u793a\u5217\u8868\u6570\u636e\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u6253\u5370\u4e00\u4e2a\u5217\u8868\u7684\u5185\u5bb9\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u6253\u5370\u5217\u8868\u7684\u5185\u5bb9\u975e\u5e38\u7b80\u5355\u3002\u4f60\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528<code>print()<\/code>\u51fd\u6570\u6765\u8f93\u51fa\u6574\u4e2a\u5217\u8868\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u4f60\u6709\u4e00\u4e2a\u5217\u8868<code>my_list = [1, 2, 3, 4, 5]<\/code>\uff0c\u53ea\u9700\u8f93\u5165<code>print(my_list)<\/code>\u5373\u53ef\u6253\u5370\u51fa\u5217\u8868\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n<p><strong>\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u65b9\u6cd5\u6765\u683c\u5f0f\u5316\u6253\u5370\u5217\u8868\uff1f<\/strong><br \/>\u9664\u4e86\u76f4\u63a5\u6253\u5370\u5217\u8868\u5916\uff0c\u4f60\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6765\u9010\u4e2a\u6253\u5370\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3002\u4f7f\u7528<code>for<\/code>\u5faa\u73af\u53ef\u4ee5\u8ba9\u4f60\u5bf9\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u81ea\u5b9a\u4e49\u683c\u5f0f\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">for item in my_list:\n    print(f&#39;\u5143\u7d20: {item}&#39;)\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u80fd\u6253\u5370\u5143\u7d20\uff0c\u8fd8\u80fd\u6dfb\u52a0\u524d\u7f00\u6216\u540e\u7f00\uff0c\u63d0\u5347\u8f93\u51fa\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<p><strong>\u5982\u4f55\u6253\u5370\u5217\u8868\u4e2d\u7684\u7279\u5b9a\u5143\u7d20\u6216\u5b50\u96c6\uff1f<\/strong><br \/>\u5982\u679c\u53ea\u60f3\u6253\u5370\u5217\u8868\u4e2d\u7684\u7279\u5b9a\u5143\u7d20\uff0c\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u6765\u8bbf\u95ee\u5b83\u4eec\u3002\u4f8b\u5982\uff0c<code>print(my_list[0])<\/code>\u5c06\u6253\u5370\u5217\u8868\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002\u82e5\u8981\u6253\u5370\u5b50\u96c6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u3002\u4f8b\u5982\uff0c<code>print(my_list[1:4])<\/code>\u5c06\u6253\u5370\u4ece\u7b2c\u4e8c\u4e2a\u5230\u7b2c\u56db\u4e2a\u5143\u7d20\u7684\u4e00\u4e2a\u5b50\u5217\u8868\u3002<\/p>\n<p><strong>\u5728\u6253\u5370\u5217\u8868\u65f6\u5982\u4f55\u5904\u7406\u4e0d\u540c\u6570\u636e\u7c7b\u578b\uff1f<\/strong><br \/>\u5982\u679c\u5217\u8868\u4e2d\u5305\u542b\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4f8b\u5982\u5b57\u7b26\u4e32\u3001\u6574\u6570\u548c\u6d6e\u70b9\u6570\uff0cPython\u4f1a\u81ea\u52a8\u5904\u7406\u8fd9\u4e9b\u7c7b\u578b\u3002\u4f60\u53ef\u4ee5\u4f9d\u7136\u4f7f\u7528<code>print()<\/code>\u51fd\u6570\uff0c\u6216\u8005\u901a\u8fc7\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u6765\u786e\u4fdd\u8f93\u51fa\u7684\u683c\u5f0f\u4e00\u81f4\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">mixed_list = [1, &#39;two&#39;, 3.0]\nfor item in mixed_list:\n    print(f&#39;\u9879: {item}, \u7c7b\u578b: {type(item)}&#39;)\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u80fd\u5e2e\u52a9\u4f60\u4e86\u89e3\u5217\u8868\u4e2d\u6bcf\u4e2a\u5143\u7d20\u7684\u7c7b\u578b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u6253\u5370\u5217\u8868\u53ef\u4ee5\u4f7f\u7528print()\u51fd\u6570\u3001\u5faa\u73af\u904d\u5386\u5217\u8868\u3001\u4f7f\u7528join()\u51fd\u6570\u7b49\u65b9\u6cd5\u3002\u4f7f\u7528print( [&hellip;]","protected":false},"author":3,"featured_media":940556,"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\/940551"}],"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=940551"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/940551\/revisions"}],"predecessor-version":[{"id":940557,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/940551\/revisions\/940557"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/940556"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=940551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=940551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=940551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}