{"id":978788,"date":"2024-12-27T06:40:42","date_gmt":"2024-12-26T22:40:42","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/978788.html"},"modified":"2024-12-27T06:40:44","modified_gmt":"2024-12-26T22:40:44","slug":"python-%e5%a6%82%e4%bd%95%e5%88%97%e8%a1%a8%e5%85%a8%e6%8e%92%e5%88%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/978788.html","title":{"rendered":"python \u5982\u4f55\u5217\u8868\u5168\u6392\u5217"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24203615\/f9c631db-9d3f-4bba-8091-bf839f8df15b.webp\" alt=\"python \u5982\u4f55\u5217\u8868\u5168\u6392\u5217\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u8981\u5b9e\u73b0\u5217\u8868\u7684\u5168\u6392\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u6a21\u5757<code>itertools<\/code>\u4e2d\u7684<code>permutations<\/code>\u51fd\u6570\u3001\u624b\u52a8\u5b9e\u73b0\u9012\u5f52\u7b97\u6cd5\u3001\u6216\u4f7f\u7528\u5e93\u51fd\u6570\u8fdb\u884c\u66f4\u590d\u6742\u7684\u6392\u5217\u7ec4\u5408\u64cd\u4f5c\u3002<\/strong> <code>itertools.permutations<\/code>\u662f\u6700\u5e38\u7528\u548c\u9ad8\u6548\u7684\u65b9\u6cd5\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e09\u79cd\u65b9\u6cd5\uff0c\u5e76\u63a2\u8ba8\u5b83\u4eec\u7684\u5177\u4f53\u5b9e\u73b0\u548c\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528ITERTTOOLS.PERMUTATIONS<\/p>\n<\/p>\n<p><p><code>itertools.permutations<\/code>\u662fPython\u6807\u51c6\u5e93\u4e2d\u975e\u5e38\u5f3a\u5927\u7684\u4e00\u4e2a\u5de5\u5177\uff0c\u4e13\u95e8\u7528\u4e8e\u751f\u6210\u5e8f\u5217\u7684\u6240\u6709\u53ef\u80fd\u6392\u5217\u3002\u8be5\u65b9\u6cd5\u7b80\u5355\u6613\u7528\uff0c\u5e76\u4e14\u6027\u80fd\u4f18\u8d8a\uff0c\u7279\u522b\u9002\u5408\u5904\u7406\u5c0f\u5230\u4e2d\u7b49\u89c4\u6a21\u7684\u6570\u636e\u96c6\u3002<\/p>\n<\/p>\n<p><h3>\u4f7f\u7528\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p>\u8981\u4f7f\u7528<code>itertools.permutations<\/code>\uff0c\u9996\u5148\u9700\u8981\u5bfc\u5165<code>itertools<\/code>\u6a21\u5757\u3002<code>permutations<\/code>\u51fd\u6570\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff1a\u4e00\u4e2a\u662f\u8981\u6392\u5217\u7684\u5e8f\u5217\uff0c\u53e6\u4e00\u4e2a\u662f\u6392\u5217\u4e2d\u5143\u7d20\u7684\u6570\u91cf\uff08\u9ed8\u8ba4\u4e3a\u5e8f\u5217\u7684\u957f\u5ea6\uff09\u3002\u5b83\u8fd4\u56de\u4e00\u4e2a\u8fed\u4ee3\u5668\uff0c\u6bcf\u6b21\u8fd4\u56de\u4e00\u4e2a\u6392\u5217\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import itertools<\/p>\n<h2><strong>\u793a\u4f8b\u5217\u8868<\/strong><\/h2>\n<p>lst = [1, 2, 3]<\/p>\n<h2><strong>\u751f\u6210\u5168\u6392\u5217<\/strong><\/h2>\n<p>perms = itertools.permutations(lst)<\/p>\n<h2><strong>\u6253\u5370\u7ed3\u679c<\/strong><\/h2>\n<p>for perm in perms:<\/p>\n<p>    print(perm)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u8be6\u7ec6\u89e3\u6790<\/h3>\n<\/p>\n<ol>\n<li>\n<p><strong>\u5bfc\u5165\u6a21\u5757<\/strong>\uff1a\u9996\u5148\u9700\u8981\u5bfc\u5165<code>itertools<\/code>\u6a21\u5757\uff0c\u8fd9\u662fPython\u6807\u51c6\u5e93\u7684\u4e00\u90e8\u5206\uff0c\u4e0d\u9700\u8981\u989d\u5916\u5b89\u88c5\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u751f\u6210\u6392\u5217<\/strong>\uff1a\u901a\u8fc7\u8c03\u7528<code>itertools.permutations(lst)<\/code>\uff0c\u751f\u6210\u4e00\u4e2a\u5305\u542b\u6240\u6709\u6392\u5217\u7684\u8fed\u4ee3\u5668\u3002\u6ce8\u610f\uff0c\u8fd9\u4e2a\u8fed\u4ee3\u5668\u662f\u60f0\u6027\u751f\u6210\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4e0d\u4f1a\u4e00\u6b21\u6027\u5728\u5185\u5b58\u4e2d\u5b58\u50a8\u6240\u6709\u6392\u5217\uff0c\u800c\u662f\u9010\u4e2a\u751f\u6210\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u8fed\u4ee3\u8f93\u51fa<\/strong>\uff1a\u4f7f\u7528\u5faa\u73af\u6765\u904d\u5386\u8fed\u4ee3\u5668\uff0c\u9010\u4e2a\u8f93\u51fa\u6392\u5217\u3002\u8fd9\u79cd\u60f0\u6027\u751f\u6210\u7684\u65b9\u5f0f\u975e\u5e38\u9ad8\u6548\uff0c\u5c24\u5176\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u65f6\u66f4\u4e3a\u7a81\u51fa\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><h3>\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n<ul>\n<li><strong>\u5c0f\u89c4\u6a21\u6392\u5217<\/strong>\uff1a\u5bf9\u4e8e\u5143\u7d20\u6570\u91cf\u6bd4\u8f83\u5c0f\u7684\u5217\u8868\uff08\u5982\u5c0f\u4e8e10\u4e2a\u5143\u7d20\uff09\uff0c\u4f7f\u7528<code>itertools.permutations<\/code>\u662f\u975e\u5e38\u9ad8\u6548\u7684\u3002<\/li>\n<li><strong>\u7ec4\u5408\u95ee\u9898<\/strong>\uff1a\u5728\u89e3\u51b3\u9700\u8981\u7ec4\u5408\u4e0d\u540c\u5143\u7d20\u7684\u590d\u6742\u95ee\u9898\u65f6\uff08\u5982\u65c5\u884c\u5546\u95ee\u9898\uff09\uff0c<code>itertools.permutations<\/code>\u63d0\u4f9b\u4e86\u4e00\u79cd\u5feb\u901f\u751f\u6210\u6240\u6709\u53ef\u80fd\u89e3\u7684\u65b9\u5f0f\u3002<\/li>\n<li><strong>\u6570\u636e\u5206\u6790<\/strong>\uff1a\u5728\u6570\u636e\u5206\u6790\u548c\u6570\u636e\u6316\u6398\u4e2d\uff0c\u6709\u65f6\u9700\u8981\u751f\u6210\u6570\u636e\u7684\u6240\u6709\u53ef\u80fd\u6392\u5217\u4ee5\u8fdb\u884c\u5168\u9762\u7684\u5206\u6790\u548c\u6a21\u578b\u8bad\u7ec3\u3002<\/li>\n<\/ul>\n<p><p>\u4e8c\u3001\u9012\u5f52\u5b9e\u73b0\u5168\u6392\u5217<\/p>\n<\/p>\n<p><p>\u9012\u5f52\u662f\u4e00\u79cd\u975e\u5e38\u7ecf\u5178\u7684\u7f16\u7a0b\u6280\u672f\uff0c\u9002\u5408\u7528\u6765\u89e3\u51b3\u5168\u6392\u5217\u95ee\u9898\u3002\u901a\u8fc7\u9012\u5f52\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u6392\u5217\u7684\u751f\u6210\u8fc7\u7a0b\uff0c\u540c\u65f6\u4e5f\u80fd\u5728\u4e0d\u4f9d\u8d56\u5916\u90e8\u5e93\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u81ea\u5df1\u7684\u6392\u5217\u751f\u6210\u5668\u3002<\/p>\n<\/p>\n<p><h3>\u9012\u5f52\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p>\u9012\u5f52\u7b97\u6cd5\u7684\u6838\u5fc3\u601d\u60f3\u662f\uff1a\u5bf9\u4e8e\u4e00\u4e2a\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5c06\u5176\u4e0e\u5269\u4f59\u5143\u7d20\u7684\u6240\u6709\u6392\u5217\u7ec4\u5408\u5728\u4e00\u8d77\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u9012\u5f52\u5b9e\u73b0\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def permute(lst):<\/p>\n<p>    # \u57fa\u672c\u60c5\u51b5\uff1a\u5982\u679c\u5217\u8868\u4e3a\u7a7a\u6216\u53ea\u6709\u4e00\u4e2a\u5143\u7d20\uff0c\u8fd4\u56de\u8be5\u5217\u8868<\/p>\n<p>    if len(lst) &lt;= 1:<\/p>\n<p>        return [lst]<\/p>\n<p>    # \u5b58\u50a8\u6240\u6709\u6392\u5217<\/p>\n<p>    permutations = []<\/p>\n<p>    # \u904d\u5386\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5176\u4e0e\u5269\u4f59\u5143\u7d20\u7684\u6240\u6709\u6392\u5217\u7ec4\u5408\u5728\u4e00\u8d77<\/p>\n<p>    for i in range(len(lst)):<\/p>\n<p>        # \u5f53\u524d\u5143\u7d20<\/p>\n<p>        current = lst[i]<\/p>\n<p>        # \u5269\u4f59\u5143\u7d20<\/p>\n<p>        rem<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>ning = lst[:i] + lst[i+1:]<\/p>\n<p>        # \u9012\u5f52\u751f\u6210\u5269\u4f59\u5143\u7d20\u7684\u6392\u5217<\/p>\n<p>        for p in permute(remaining):<\/p>\n<p>            permutations.append([current] + p)<\/p>\n<p>    return permutations<\/p>\n<h2><strong>\u793a\u4f8b\u5217\u8868<\/strong><\/h2>\n<p>lst = [1, 2, 3]<\/p>\n<h2><strong>\u751f\u6210\u5168\u6392\u5217<\/strong><\/h2>\n<p>perms = permute(lst)<\/p>\n<h2><strong>\u6253\u5370\u7ed3\u679c<\/strong><\/h2>\n<p>for perm in perms:<\/p>\n<p>    print(perm)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u8be6\u7ec6\u89e3\u6790<\/h3>\n<\/p>\n<ol>\n<li>\n<p><strong>\u57fa\u672c\u60c5\u51b5<\/strong>\uff1a\u9012\u5f52\u7684\u57fa\u672c\u60c5\u51b5\u662f\u5217\u8868\u4e3a\u7a7a\u6216\u53ea\u6709\u4e00\u4e2a\u5143\u7d20\uff0c\u6b64\u65f6\u76f4\u63a5\u8fd4\u56de\u8be5\u5217\u8868\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u904d\u5386\u5143\u7d20<\/strong>\uff1a\u5bf9\u4e8e\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5c06\u5176\u56fa\u5b9a\uff0c\u5e76\u9012\u5f52\u751f\u6210\u5269\u4f59\u5143\u7d20\u7684\u6392\u5217\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u7ec4\u5408\u6392\u5217<\/strong>\uff1a\u5c06\u5f53\u524d\u5143\u7d20\u4e0e\u5269\u4f59\u5143\u7d20\u7684\u6392\u5217\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u65b0\u7684\u6392\u5217\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u8fd4\u56de\u7ed3\u679c<\/strong>\uff1a\u6700\u7ec8\u8fd4\u56de\u6240\u6709\u6392\u5217\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><h3>\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n<ul>\n<li><strong>\u81ea\u5b9a\u4e49\u9700\u6c42<\/strong>\uff1a\u5f53\u9700\u8981\u5bf9\u6392\u5217\u751f\u6210\u8fc7\u7a0b\u8fdb\u884c\u7279\u5b9a\u5b9a\u5236\u65f6\uff08\u5982\u7279\u5b9a\u987a\u5e8f\u6216\u6761\u4ef6\uff09\uff0c\u9012\u5f52\u5b9e\u73b0\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027\u3002<\/li>\n<li><strong>\u5b66\u4e60\u548c\u6559\u5b66<\/strong>\uff1a\u9012\u5f52\u5b9e\u73b0\u662f\u5b66\u4e60\u7b97\u6cd5\u8bbe\u8ba1\u548c\u9012\u5f52\u601d\u7ef4\u7684\u7ecf\u5178\u4f8b\u5b50\uff0c\u975e\u5e38\u9002\u5408\u6559\u5b66\u548c\u81ea\u6211\u63d0\u5347\u3002<\/li>\n<li><strong>\u65e0\u5916\u90e8\u4f9d\u8d56<\/strong>\uff1a\u5728\u65e0\u6cd5\u4f7f\u7528\u6807\u51c6\u5e93\u7684\u7279\u5b9a\u73af\u5883\u4e2d\uff0c\u9012\u5f52\u5b9e\u73b0\u662f\u4e00\u79cd\u53ef\u9760\u7684\u9009\u62e9\u3002<\/li>\n<\/ul>\n<p><p>\u4e09\u3001\u4f7f\u7528\u5e93\u51fd\u6570\u8fdb\u884c\u590d\u6742\u6392\u5217\u7ec4\u5408<\/p>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u66f4\u590d\u6742\u7684\u6392\u5217\u7ec4\u5408\u64cd\u4f5c\uff0c\u6bd4\u5982\u56fa\u5b9a\u67d0\u4e9b\u5143\u7d20\u3001\u5904\u7406\u591a\u5c42\u5d4c\u5957\u7684\u5217\u8868\u6216\u4e0e\u5176\u4ed6\u7b97\u6cd5\u7ed3\u5408\u3002\u8fd9\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982NumPy\u6216Pandas\uff0c\u6765\u5b9e\u73b0\u8fd9\u4e9b\u9700\u6c42\u3002<\/p>\n<\/p>\n<p><h3>\u4f7f\u7528NUMPY<\/h3>\n<\/p>\n<p><p>NumPy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u79d1\u5b66\u8ba1\u7b97\u5e93\uff0c\u867d\u7136\u6ca1\u6709\u76f4\u63a5\u7684\u6392\u5217\u51fd\u6570\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u5176\u6570\u7ec4\u64cd\u4f5c\u529f\u80fd\u5b9e\u73b0\u590d\u6742\u7684\u6392\u5217\u7ec4\u5408\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<h2><strong>\u793a\u4f8b\u6570\u7ec4<\/strong><\/h2>\n<p>arr = np.array([1, 2, 3])<\/p>\n<h2><strong>\u4f7f\u7528numpy\u7684\u7f51\u683c\u51fd\u6570\u751f\u6210\u6392\u5217\uff08\u7ec4\u5408\uff09<\/strong><\/h2>\n<p>perms = np.array(np.meshgrid(arr, arr, arr)).T.reshape(-1, len(arr))<\/p>\n<h2><strong>\u6253\u5370\u7ed3\u679c<\/strong><\/h2>\n<p>print(perms)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4f7f\u7528PANDAS<\/h3>\n<\/p>\n<p><p>Pandas\u662f\u4e00\u4e2a\u6570\u636e\u5206\u6790\u5e93\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5904\u7406\u6570\u636e\u5e27\u548c\u5e8f\u5217\u3002\u867d\u7136Pandas\u672c\u8eab\u6ca1\u6709\u76f4\u63a5\u7684\u6392\u5217\u51fd\u6570\uff0c\u4f46\u53ef\u4ee5\u4e0e\u5176\u4ed6\u5e93\u7ed3\u5408\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<p>import itertools<\/p>\n<h2><strong>\u793a\u4f8b\u6570\u636e\u5e27<\/strong><\/h2>\n<p>df = pd.DataFrame({&#39;A&#39;: [1, 2, 3]})<\/p>\n<h2><strong>\u4f7f\u7528itertools\u751f\u6210\u6392\u5217<\/strong><\/h2>\n<p>perms = list(itertools.permutations(df[&#39;A&#39;]))<\/p>\n<h2><strong>\u8f6c\u6362\u4e3a\u6570\u636e\u5e27<\/strong><\/h2>\n<p>perm_df = pd.DataFrame(perms)<\/p>\n<h2><strong>\u6253\u5370\u7ed3\u679c<\/strong><\/h2>\n<p>print(perm_df)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n<ul>\n<li><strong>\u5927\u89c4\u6a21\u6570\u636e\u5904\u7406<\/strong>\uff1a\u5f53\u9700\u8981\u5904\u7406\u975e\u5e38\u5927\u7684\u6570\u636e\u96c6\u65f6\uff0cNumPy\u548cPandas\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6570\u636e\u64cd\u4f5c\u80fd\u529b\u3002<\/li>\n<li><strong>\u590d\u6742\u6570\u636e\u7ed3\u6784<\/strong>\uff1a\u5728\u5904\u7406\u591a\u7ef4\u6570\u7ec4\u6216\u6570\u636e\u5e27\u65f6\uff0cNumPy\u548cPandas\u80fd\u6709\u6548\u7b80\u5316\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u6570\u636e\u5206\u6790\u4e0e\u53ef\u89c6\u5316<\/strong>\uff1a\u7ed3\u5408Pandas\u7684\u5f3a\u5927\u5206\u6790\u80fd\u529b\uff0c\u53ef\u4ee5\u5bf9\u6392\u5217\u7ed3\u679c\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u5206\u6790\u548c\u53ef\u89c6\u5316\u3002<\/li>\n<\/ul>\n<p><p>\u603b\u7ed3\u6765\u8bf4\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u5217\u8868\u7684\u5168\u6392\u5217\uff0c<code>itertools.permutations<\/code>\u662f\u6700\u76f4\u63a5\u548c\u9ad8\u6548\u7684\u9009\u62e9\uff0c\u800c\u9012\u5f52\u65b9\u6cd5\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027\u548c\u5b66\u4e60\u4ef7\u503c\u3002\u6b64\u5916\uff0c\u5728\u5904\u7406\u590d\u6742\u6570\u636e\u7ed3\u6784\u548c\u5927\u89c4\u6a21\u6570\u636e\u65f6\uff0cNumPy\u548cPandas\u53ef\u4ee5\u63d0\u4f9b\u989d\u5916\u7684\u652f\u6301\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6700\u5927\u5316\u5730\u53d1\u6325Python\u7684\u5f3a\u5927\u529f\u80fd\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u751f\u6210\u5217\u8868\u7684\u5168\u6392\u5217\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>itertools<\/code>\u6a21\u5757\u7684<code>permutations<\/code>\u51fd\u6570\u8f7b\u677e\u5730\u751f\u6210\u5217\u8868\u7684\u5168\u6392\u5217\u3002\u901a\u8fc7\u4f20\u5165\u4e00\u4e2a\u5217\u8868\u4f5c\u4e3a\u53c2\u6570\uff0c<code>permutations<\/code>\u5c06\u8fd4\u56de\u6240\u6709\u53ef\u80fd\u7684\u6392\u5217\u7ec4\u5408\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\uff1a<\/p>\n<pre><code class=\"language-python\">import itertools\n\nmy_list = [1, 2, 3]\nall_permutations = list(itertools.permutations(my_list))\nprint(all_permutations)\n<\/code><\/pre>\n<p><strong>\u751f\u6210\u5168\u6392\u5217\u65f6\uff0c\u5982\u4f55\u5904\u7406\u91cd\u590d\u5143\u7d20\u7684\u5217\u8868\uff1f<\/strong><br \/>\u5904\u7406\u5305\u542b\u91cd\u590d\u5143\u7d20\u7684\u5217\u8868\u65f6\uff0c\u5168\u6392\u5217\u7684\u7ed3\u679c\u53ef\u80fd\u4f1a\u5305\u542b\u91cd\u590d\u7684\u7ec4\u5408\u3002\u4e3a\u4e86\u53bb\u91cd\uff0c\u53ef\u4ee5\u5c06\u7ed3\u679c\u8f6c\u6362\u4e3a\u96c6\u5408\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">import itertools\n\nmy_list = [1, 1, 2]\nall_permutations = set(itertools.permutations(my_list))\nprint(all_permutations)\n<\/code><\/pre>\n<p><strong>\u53ef\u4ee5\u7528\u9012\u5f52\u65b9\u6cd5\u5b9e\u73b0\u5217\u8868\u7684\u5168\u6392\u5217\u5417\uff1f<\/strong><br \/>\u5f53\u7136\u53ef\u4ee5\u3002\u9012\u5f52\u662f\u4e00\u79cd\u7ecf\u5178\u7684\u65b9\u6cd5\u6765\u751f\u6210\u5168\u6392\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5b9e\u73b0\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-python\">def permute(nums):\n    if len(nums) == 0:\n        return [[]]\n    result = []\n    for i in range(len(nums)):\n        n = nums[i]\n        remaining = nums[:i] + nums[i+1:]\n        for p in permute(remaining):\n            result.append([n] + p)\n    return result\n\nmy_list = [1, 2, 3]\nall_permutations = permute(my_list)\nprint(all_permutations)\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u4e9b\u65b9\u5f0f\uff0cPython\u7528\u6237\u80fd\u591f\u8f7b\u677e\u751f\u6210\u5217\u8868\u7684\u5168\u6392\u5217\uff0c\u5e76\u4e14\u6839\u636e\u9700\u8981\u5904\u7406\u4e0d\u540c\u7684\u60c5\u51b5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u8981\u5b9e\u73b0\u5217\u8868\u7684\u5168\u6392\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u6a21\u5757itertools\u4e2d\u7684permutations\u51fd\u6570\u3001\u624b\u52a8 [&hellip;]","protected":false},"author":3,"featured_media":978797,"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\/978788"}],"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=978788"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/978788\/revisions"}],"predecessor-version":[{"id":978800,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/978788\/revisions\/978800"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/978797"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=978788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=978788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=978788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}