{"id":1044867,"date":"2024-12-31T13:18:21","date_gmt":"2024-12-31T05:18:21","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1044867.html"},"modified":"2024-12-31T13:18:23","modified_gmt":"2024-12-31T05:18:23","slug":"python%e5%a6%82%e4%bd%95%e8%be%93%e5%87%ba%e6%89%80%e6%9c%89%e5%85%b3%e9%94%ae%e5%ad%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1044867.html","title":{"rendered":"python\u5982\u4f55\u8f93\u51fa\u6240\u6709\u5173\u952e\u5b57"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/ebd5f941-5125-48bb-854b-4e3abd8b5151.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"python\u5982\u4f55\u8f93\u51fa\u6240\u6709\u5173\u952e\u5b57\" \/><\/p>\n<p><p> \u5f00\u5934\u6bb5\u843d:<br \/><strong>\u4f7f\u7528 <code>keyword<\/code> \u6a21\u5757\u3001\u8c03\u7528 <code>kwlist<\/code> \u5c5e\u6027\u3001\u4f7f\u7528 <code>print<\/code> \u51fd\u6570\u8f93\u51fa\u5173\u952e\u5b57<\/strong>\u3002\u5728Python\u4e2d\uff0c\u8981\u8f93\u51fa\u6240\u6709\u7684\u5173\u952e\u5b57\uff0c\u53ef\u4ee5\u501f\u52a9\u5185\u7f6e\u7684 <code>keyword<\/code> \u6a21\u5757\u3002\u8fd9\u4e2a\u6a21\u5757\u5305\u542b\u4e86\u6240\u6709\u7684Python\u5173\u952e\u5b57\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>kwlist<\/code> \u5c5e\u6027\u6765\u83b7\u53d6\u8fd9\u4e9b\u5173\u952e\u5b57\uff0c\u5e76\u901a\u8fc7 <code>print<\/code> \u51fd\u6570\u5c06\u5b83\u4eec\u8f93\u51fa\u3002<strong>\u901a\u8fc7\u8fd9\u4e00\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u67e5\u770b\u548c\u4f7f\u7528Python\u4e2d\u7684\u6240\u6709\u5173\u952e\u5b57<\/strong>\u3002\u4ee5\u4e0b\u662f\u5173\u4e8e\u5982\u4f55\u5177\u4f53\u5b9e\u73b0\u8fd9\u4e00\u64cd\u4f5c\u7684\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528 <code>keyword<\/code> \u6a21\u5757<\/p>\n<\/p>\n<p><p>Python \u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3a <code>keyword<\/code> \u7684\u6a21\u5757\uff0c\u8be5\u6a21\u5757\u5305\u542b\u4e86\u6240\u6709\u7684Python\u5173\u952e\u5b57\u3002\u8fd9\u4e2a\u6a21\u5757\u662f\u975e\u5e38\u6709\u7528\u7684\uff0c\u7279\u522b\u662f\u5728\u7f16\u5199\u4ee3\u7801\u65f6\uff0c\u4f60\u53ef\u4ee5\u7528\u5b83\u6765\u68c0\u67e5\u67d0\u4e2a\u8bcd\u662f\u5426\u662f\u5173\u952e\u5b57\u3002<\/p>\n<\/p>\n<ol>\n<li>\u5bfc\u5165 <code>keyword<\/code> \u6a21\u5757<\/li>\n<\/ol>\n<p><p>\u9996\u5148\uff0c\u4f60\u9700\u8981\u5bfc\u5165 <code>keyword<\/code> \u6a21\u5757\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>import<\/code> \u8bed\u53e5\u6765\u5b8c\u6210\u8fd9\u4e00\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import keyword<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528 <code>kwlist<\/code> \u5c5e\u6027<\/li>\n<\/ol>\n<p><p><code>kwlist<\/code> \u662f <code>keyword<\/code> \u6a21\u5757\u4e2d\u7684\u4e00\u4e2a\u5c5e\u6027\uff0c\u5b83\u5305\u542b\u4e86\u6240\u6709\u7684Python\u5173\u952e\u5b57\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u8bbf\u95ee <code>keyword.kwlist<\/code> \u6765\u83b7\u53d6\u8fd9\u4e9b\u5173\u952e\u5b57\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">keywords = keyword.kwlist<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li>\u4f7f\u7528 <code>print<\/code> \u51fd\u6570\u8f93\u51fa\u5173\u952e\u5b57<\/li>\n<\/ol>\n<p><p>\u6700\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>print<\/code> \u51fd\u6570\u6765\u8f93\u51fa\u8fd9\u4e9b\u5173\u952e\u5b57\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">print(keywords)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5b8c\u6574\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import keyword<\/p>\n<p>keywords = keyword.kwlist<\/p>\n<p>print(keywords)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e8c\u3001\u5173\u952e\u5b57\u7684\u7528\u9014<\/p>\n<\/p>\n<p><p>Python\u7684\u5173\u952e\u5b57\u662f\u5177\u6709\u7279\u6b8a\u610f\u4e49\u7684\u4fdd\u7559\u8bcd\uff0c\u8fd9\u4e9b\u8bcd\u4e0d\u80fd\u7528\u4f5c\u6807\u8bc6\u7b26\uff08\u4f8b\u5982\u53d8\u91cf\u540d\u3001\u51fd\u6570\u540d\u7b49\uff09\u3002\u4e0b\u9762\u5217\u51fa\u4e86\u4e00\u4e9b\u5e38\u89c1\u7684\u5173\u952e\u5b57\u53ca\u5176\u7528\u9014\u3002<\/p>\n<\/p>\n<ol>\n<li><code>and<\/code>, <code>or<\/code>, <code>not<\/code><\/li>\n<\/ol>\n<p><p>\u8fd9\u4e9b\u662f\u903b\u8f91\u64cd\u4f5c\u7b26\uff0c\u7528\u4e8e\u8fdb\u884c\u5e03\u5c14\u8fd0\u7b97\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">a = True<\/p>\n<p>b = False<\/p>\n<p>print(a and b)  # \u8f93\u51fa: False<\/p>\n<p>print(a or b)   # \u8f93\u51fa: True<\/p>\n<p>print(not a)    # \u8f93\u51fa: False<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li><code>if<\/code>, <code>elif<\/code>, <code>else<\/code><\/li>\n<\/ol>\n<p><p>\u8fd9\u4e9b\u5173\u952e\u5b57\u7528\u4e8e\u6761\u4ef6\u8bed\u53e5\uff0c\u5e2e\u52a9\u6211\u4eec\u63a7\u5236\u4ee3\u7801\u7684\u6267\u884c\u6d41\u7a0b\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">x = 10<\/p>\n<p>if x &lt; 10:<\/p>\n<p>    print(&quot;x \u5c0f\u4e8e 10&quot;)<\/p>\n<p>elif x == 10:<\/p>\n<p>    print(&quot;x \u7b49\u4e8e 10&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;x \u5927\u4e8e 10&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li><code>for<\/code>, <code>while<\/code>, <code>break<\/code>, <code>continue<\/code><\/li>\n<\/ol>\n<p><p>\u8fd9\u4e9b\u5173\u952e\u5b57\u7528\u4e8e\u5faa\u73af\u63a7\u5236\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># for \u5faa\u73af<\/p>\n<p>for i in range(5):<\/p>\n<p>    if i == 3:<\/p>\n<p>        break<\/p>\n<p>    print(i)<\/p>\n<h2><strong>while \u5faa\u73af<\/strong><\/h2>\n<p>i = 0<\/p>\n<p>while i &lt; 5:<\/p>\n<p>    if i == 3:<\/p>\n<p>        continue<\/p>\n<p>    print(i)<\/p>\n<p>    i += 1<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e09\u3001\u5173\u952e\u5b57\u5217\u8868\u7684\u52a8\u6001\u68c0\u67e5<\/p>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u5e0c\u671b\u52a8\u6001\u68c0\u67e5\u67d0\u4e2a\u8bcd\u662f\u5426\u662fPython\u5173\u952e\u5b57\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>keyword<\/code> \u6a21\u5757\u4e2d\u7684 <code>iskeyword<\/code> \u51fd\u6570\u6765\u5b8c\u6210\u8fd9\u4e00\u4efb\u52a1\u3002<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528 <code>iskeyword<\/code> \u51fd\u6570<\/li>\n<\/ol>\n<p><p><code>iskeyword<\/code> \u51fd\u6570\u53ef\u4ee5\u68c0\u67e5\u67d0\u4e2a\u8bcd\u662f\u5426\u662f\u5173\u952e\u5b57\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import keyword<\/p>\n<p>word = &quot;for&quot;<\/p>\n<p>print(keyword.iskeyword(word))  # \u8f93\u51fa: True<\/p>\n<p>word = &quot;hello&quot;<\/p>\n<p>print(keyword.iskeyword(word))  # \u8f93\u51fa: False<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56db\u3001\u5173\u952e\u5b57\u7684\u66f4\u65b0<\/p>\n<\/p>\n<p><p>Python \u7684\u5173\u952e\u5b57\u53ef\u80fd\u4f1a\u968f\u7740\u65b0\u7248\u672c\u7684\u53d1\u5e03\u800c\u66f4\u65b0\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u4f60\u5f53\u524d\u4f7f\u7528\u7684Python\u7248\u672c\u4e2d\u7684\u5173\u952e\u5b57\u662f\u5f88\u91cd\u8981\u7684\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>sys<\/code> \u6a21\u5757\u6765\u67e5\u770bPython\u7248\u672c\u3002<\/p>\n<\/p>\n<ol>\n<li>\u67e5\u770bPython\u7248\u672c<\/li>\n<\/ol>\n<p><p>\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>sys<\/code> \u6a21\u5757\u4e2d\u7684 <code>version<\/code> \u5c5e\u6027\u6765\u67e5\u770b\u4f60\u5f53\u524d\u4f7f\u7528\u7684Python\u7248\u672c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import sys<\/p>\n<p>print(sys.version)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u67e5\u770b\u7279\u5b9a\u7248\u672c\u7684\u5173\u952e\u5b57<\/li>\n<\/ol>\n<p><p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u67e5\u9605\u5b98\u65b9\u6587\u6863\u6216\u4f7f\u7528\u76f8\u5e94\u7248\u672c\u7684Python\u89e3\u91ca\u5668\u6765\u67e5\u770b\u7279\u5b9a\u7248\u672c\u7684\u5173\u952e\u5b57\u3002\u4f8b\u5982\uff0cPython 3.9 \u548c Python 3.10 \u4e4b\u95f4\u53ef\u80fd\u4f1a\u6709\u4e00\u4e9b\u5173\u952e\u5b57\u7684\u53d8\u5316\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u5173\u952e\u5b57\u7684\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n<p><p>\u5728\u7f16\u5199Python\u4ee3\u7801\u65f6\uff0c\u907f\u514d\u4f7f\u7528\u5173\u952e\u5b57\u4f5c\u4e3a\u6807\u8bc6\u7b26\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u8fd9\u662f\u56e0\u4e3a\u5173\u952e\u5b57\u5177\u6709\u7279\u6b8a\u7684\u8bed\u6cd5\u610f\u4e49\uff0c\u4f7f\u7528\u5b83\u4eec\u4f5c\u4e3a\u6807\u8bc6\u7b26\u4f1a\u5bfc\u81f4\u8bed\u6cd5\u9519\u8bef\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u9519\u8bef\u7684\u7528\u6cd5<\/p>\n<p>def for():<\/p>\n<p>    pass<\/p>\n<h2><strong>\u6b63\u786e\u7684\u7528\u6cd5<\/strong><\/h2>\n<p>def my_function():<\/p>\n<p>    pass<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u516d\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>Python\u5173\u952e\u5b57\u662f\u7f16\u7a0b\u8bed\u8a00\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u4eec\u6709\u52a9\u4e8e\u63a7\u5236\u4ee3\u7801\u7684\u6267\u884c\u6d41\u7a0b\u548c\u903b\u8f91\u64cd\u4f5c\u3002\u901a\u8fc7\u4f7f\u7528 <code>keyword<\/code> \u6a21\u5757\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u83b7\u53d6\u548c\u68c0\u67e5\u8fd9\u4e9b\u5173\u952e\u5b57\uff0c\u786e\u4fdd\u4f60\u7684\u4ee3\u7801\u9075\u5faaPython\u7684\u8bed\u6cd5\u89c4\u5219\u3002\u4e86\u89e3\u548c\u6b63\u786e\u4f7f\u7528\u8fd9\u4e9b\u5173\u952e\u5b57\uff0c\u5bf9\u4e8e\u7f16\u5199\u5065\u58ee\u4e14\u9ad8\u6548\u7684Python\u4ee3\u7801\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u4f60\u5e94\u8be5\u5df2\u7ecf\u638c\u63e1\u4e86\u5982\u4f55\u4f7f\u7528 <code>keyword<\/code> \u6a21\u5757\u6765\u8f93\u51fa\u6240\u6709\u7684Python\u5173\u952e\u5b57\uff0c\u5e76\u4e86\u89e3\u4e86\u4e00\u4e9b\u5e38\u89c1\u5173\u952e\u5b57\u7684\u7528\u9014\u548c\u6ce8\u610f\u4e8b\u9879\u3002\u5e0c\u671b\u8fd9\u4e9b\u5185\u5bb9\u5bf9\u4f60\u5728Python\u7f16\u7a0b\u4e2d\u7684\u5b9e\u8df5\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u67e5\u770b\u6240\u6709\u7684\u5173\u952e\u5b57\uff1f<\/strong><br \/>\u60a8\u53ef\u4ee5\u4f7f\u7528Python\u5185\u7f6e\u7684<code>keyword<\/code>\u6a21\u5757\u6765\u67e5\u770b\u6240\u6709\u7684\u5173\u952e\u5b57\u3002\u53ea\u9700\u5bfc\u5165\u8be5\u6a21\u5757\uff0c\u5e76\u4f7f\u7528<code>keyword.kwlist<\/code>\u5c5e\u6027\uff0c\u5373\u53ef\u83b7\u53d6\u4e00\u4e2a\u5305\u542b\u6240\u6709\u5173\u952e\u5b57\u7684\u5217\u8868\u3002\u4f8b\u5982\uff1a  <\/p>\n<pre><code class=\"language-python\">import keyword\nprint(keyword.kwlist)\n<\/code><\/pre>\n<p>\u8fd9\u5c06\u8f93\u51fa\u5f53\u524dPython\u7248\u672c\u4e2d\u6240\u6709\u7684\u5173\u952e\u5b57\u3002<\/p>\n<p><strong>Python\u5173\u952e\u5b57\u4e0e\u4fdd\u7559\u5b57\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><br \/>\u5173\u952e\u5b57\u662fPython\u8bed\u8a00\u4e2d\u5177\u6709\u7279\u5b9a\u542b\u4e49\u7684\u5355\u8bcd\uff0c\u4e0d\u80fd\u7528\u4f5c\u53d8\u91cf\u540d\u3002\u800c\u4fdd\u7559\u5b57\u5219\u662f\u7279\u5b9a\u8bed\u8a00\u7248\u672c\u4e2d\u9884\u7559\u7684\u5355\u8bcd\uff0c\u53ef\u80fd\u5728\u672a\u6765\u7248\u672c\u4e2d\u4f1a\u88ab\u5f15\u5165\u4f5c\u4e3a\u5173\u952e\u5b57\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u5173\u952e\u5b57\u7684\u6570\u91cf\u76f8\u5bf9\u8f83\u5c11\uff0c\u800c\u4fdd\u7559\u5b57\u7684\u6570\u91cf\u53ef\u80fd\u4f1a\u6709\u6240\u589e\u52a0\u3002<\/p>\n<p><strong>\u5982\u4f55\u67e5\u770bPython\u5173\u952e\u5b57\u7684\u5177\u4f53\u4f5c\u7528\u548c\u7528\u6cd5\uff1f<\/strong><br \/>\u8981\u4e86\u89e3\u6bcf\u4e2a\u5173\u952e\u5b57\u7684\u5177\u4f53\u4f5c\u7528\uff0c\u53ef\u4ee5\u67e5\u9605Python\u5b98\u65b9\u6587\u6863\u3002Python\u6587\u6863\u4e2d\u8be6\u7ec6\u8bf4\u660e\u4e86\u6bcf\u4e2a\u5173\u952e\u5b57\u7684\u529f\u80fd\u3001\u7528\u6cd5\u793a\u4f8b\u53ca\u5176\u5728\u8bed\u8a00\u4e2d\u7684\u5e94\u7528\u573a\u666f\u3002\u6b64\u5916\uff0c\u8bb8\u591a\u5728\u7ebf\u7f16\u7a0b\u793e\u533a\u548c\u6559\u7a0b\u7f51\u7ad9\u4e5f\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u793a\u4f8b\u548c\u89e3\u91ca\uff0c\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u5173\u952e\u5b57\u7684\u4f7f\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5f00\u5934\u6bb5\u843d:\u4f7f\u7528 keyword \u6a21\u5757\u3001\u8c03\u7528 kwlist \u5c5e\u6027\u3001\u4f7f\u7528 print \u51fd\u6570\u8f93\u51fa\u5173\u952e\u5b57\u3002\u5728Pytho [&hellip;]","protected":false},"author":3,"featured_media":1044874,"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\/1044867"}],"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=1044867"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1044867\/revisions"}],"predecessor-version":[{"id":1044876,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1044867\/revisions\/1044876"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1044874"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1044867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1044867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1044867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}