{"id":987977,"date":"2024-12-27T07:58:12","date_gmt":"2024-12-26T23:58:12","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/987977.html"},"modified":"2024-12-27T07:58:14","modified_gmt":"2024-12-26T23:58:14","slug":"python%e5%a6%82%e4%bd%95%e5%8e%8b%e7%bc%a9%e4%bb%a3%e7%a0%81%e8%a1%8c%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/987977.html","title":{"rendered":"python\u5982\u4f55\u538b\u7f29\u4ee3\u7801\u884c\u6570"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25063829\/b02e1ea9-cad6-4b1b-9377-b96e3ba5a637.webp\" alt=\"python\u5982\u4f55\u538b\u7f29\u4ee3\u7801\u884c\u6570\" \/><\/p>\n<p><p> \u5f00\u5934\u6bb5\u843d\uff1a<br \/><strong>Python\u4ee3\u7801\u538b\u7f29\u884c\u6570\u7684\u4e3b\u8981\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u5229\u7528\u51fd\u6570\u548c\u7c7b\u3001\u91c7\u7528\u6a21\u5757\u5316\u7f16\u7a0b\u3001\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u3001\u5408\u5e76\u6761\u4ef6\u8bed\u53e5<\/strong>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u6548\u7684\u65b9\u6cd5\u3002\u5217\u8868\u63a8\u5bfc\u5f0f\u5141\u8bb8\u4f60\u5728\u4e00\u884c\u4ee3\u7801\u4e2d\u5b9e\u73b0\u5bf9\u5217\u8868\u7684\u521b\u5efa\u548c\u64cd\u4f5c\uff0c\u8fd9\u4e0d\u4ec5\u53ef\u4ee5\u51cf\u5c11\u4ee3\u7801\u884c\u6570\uff0c\u8fd8\u80fd\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5f53\u9700\u8981\u5bf9\u4e00\u4e2a\u5217\u8868\u8fdb\u884c\u67d0\u79cd\u64cd\u4f5c\u5e76\u751f\u6210\u4e00\u4e2a\u65b0\u5217\u8868\u65f6\uff0c\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u53ef\u4ee5\u8ba9\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3002\u901a\u8fc7\u5728\u4e00\u884c\u4e2d\u5d4c\u5165\u5faa\u73af\u548c\u6761\u4ef6\u5224\u65ad\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f\u5c06\u591a\u884c\u4ee3\u7801\u538b\u7f29\u4e3a\u4e00\u884c\uff0c\u4ece\u800c\u51cf\u5c11\u4ee3\u7801\u5197\u4f59\u5e76\u63d0\u5347\u6267\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/p>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5728\u4e00\u884c\u4ee3\u7801\u4e2d\u5b8c\u6210\u5bf9\u5217\u8868\u7684\u521b\u5efa\u548c\u64cd\u4f5c\u3002\u901a\u8fc7\u5c06\u5faa\u73af\u548c\u6761\u4ef6\u5224\u65ad\u7ed3\u5408\u5728\u4e00\u8d77\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f\u80fd\u591f\u6781\u5927\u5730\u538b\u7f29\u4ee3\u7801\u884c\u6570\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u57fa\u672c\u7528\u6cd5<\/strong><br \/>\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u57fa\u672c\u5f62\u5f0f\u662f\uff1a[expression for item in iterable]\uff0c\u8fd9\u79cd\u7b80\u6d01\u7684\u8bed\u6cd5\u53ef\u4ee5\u8ba9\u4f60\u5728\u4e00\u884c\u4e2d\u5b9e\u73b0\u5bf9\u5217\u8868\u7684\u6784\u5efa\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">squares = [x2 for x in range(10)]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u884c\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b0\u52309\u7684\u5e73\u65b9\u6570\u7684\u5217\u8868\uff0c\u800c\u4e0d\u9700\u8981\u4f7f\u7528\u591a\u884c\u7684for\u5faa\u73af\u3002\u76f8\u6bd4\u4e8e\u4f20\u7edf\u7684for\u5faa\u73af\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u7b80\u6d01\uff0c\u800c\u4e14\u66f4\u52a0\u76f4\u89c2\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u6761\u4ef6\u8fc7\u6ee4<\/strong><br \/>\u5217\u8868\u63a8\u5bfc\u5f0f\u8fd8\u652f\u6301\u6761\u4ef6\u8fc7\u6ee4\uff0c\u5373\u5728\u751f\u6210\u5217\u8868\u65f6\u4ec5\u5305\u542b\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u5143\u7d20\u3002\u8bed\u6cd5\u4e3a\uff1a[expression for item in iterable if condition]\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">even_squares = [x2 for x in range(10) if x % 2 == 0]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u884c\u4ee3\u7801\u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b\u5076\u6570\u5e73\u65b9\u7684\u5217\u8868\u3002\u901a\u8fc7\u5728\u5217\u8868\u63a8\u5bfc\u5f0f\u4e2d\u6dfb\u52a0if\u6761\u4ef6\uff0c\u4f60\u53ef\u4ee5\u5728\u4e00\u884c\u4e2d\u5b9e\u73b0\u5bf9\u5143\u7d20\u7684\u8fc7\u6ee4\u548c\u5904\u7406\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u5229\u7528\u51fd\u6570\u548c\u7c7b<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u51fd\u6570\u548c\u7c7b\u662f\u7ec4\u7ec7\u4ee3\u7801\u7684\u57fa\u7840\u7ed3\u6784\u3002\u901a\u8fc7\u5408\u7406\u5730\u5229\u7528\u51fd\u6570\u548c\u7c7b\uff0c\u4f60\u53ef\u4ee5\u6709\u6548\u5730\u538b\u7f29\u4ee3\u7801\u884c\u6570\uff0c\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u51fd\u6570\u5c01\u88c5<\/strong><br \/>\u5c06\u91cd\u590d\u7684\u4ee3\u7801\u7247\u6bb5\u5c01\u88c5\u5728\u51fd\u6570\u4e2d\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u51cf\u5c11\u4ee3\u7801\u884c\u6570\uff0c\u8fd8\u80fd\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u901a\u8fc7\u5b9a\u4e49\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u5c06\u590d\u6742\u7684\u903b\u8f91\u62bd\u8c61\u4e3a\u7b80\u5355\u7684\u8c03\u7528\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">def calculate_area(radius):<\/p>\n<p>    return 3.14159 * radius  2<\/p>\n<p>area1 = calculate_area(5)<\/p>\n<p>area2 = calculate_area(10)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u51fd\u6570calculate_area\u5c01\u88c5\u4e86\u8ba1\u7b97\u5706\u9762\u79ef\u7684\u903b\u8f91\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u76f4\u89c2\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u7c7b\u7684\u4f7f\u7528<\/strong><br \/>\u5f53\u5904\u7406\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u6216\u903b\u8f91\u65f6\uff0c\u7c7b\u53ef\u4ee5\u5e2e\u52a9\u4f60\u7ec4\u7ec7\u4ee3\u7801\u5e76\u51cf\u5c11\u91cd\u590d\u3002\u901a\u8fc7\u5c06\u76f8\u5173\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u5c01\u88c5\u5728\u7c7b\u4e2d\uff0c\u4f60\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u7ed3\u6784\u6027\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">class Circle:<\/p>\n<p>    def __init__(self, radius):<\/p>\n<p>        self.radius = radius<\/p>\n<p>    def area(self):<\/p>\n<p>        return 3.14159 * self.radius  2<\/p>\n<p>circle1 = Circle(5)<\/p>\n<p>circle2 = Circle(10)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528\u7c7b\u4e0d\u4ec5\u53ef\u4ee5\u51cf\u5c11\u4ee3\u7801\u884c\u6570\uff0c\u8fd8\u80fd\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6269\u5c55\u6027\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u91c7\u7528\u6a21\u5757\u5316\u7f16\u7a0b<\/p>\n<\/p>\n<p><p>\u6a21\u5757\u5316\u7f16\u7a0b\u662f\u4e00\u79cd\u5c06\u4ee3\u7801\u5206\u89e3\u4e3a\u72ec\u7acb\u6a21\u5757\u7684\u7f16\u7a0b\u8303\u5f0f\uff0c\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u6709\u6548\u5730\u7ec4\u7ec7\u4ee3\u7801\u5e76\u51cf\u5c11\u91cd\u590d\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u6a21\u5757\u7684\u62c6\u5206<\/strong><br \/>\u5c06\u4ee3\u7801\u5206\u89e3\u4e3a\u591a\u4e2a\u6a21\u5757\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u7ba1\u7406\u4ee3\u7801\u7684\u590d\u6742\u6027\uff0c\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u3002\u5728Python\u4e2d\uff0c\u6a21\u5757\u53ef\u4ee5\u662f\u4e00\u4e2a.py\u6587\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a\u5305\u542b__init__.py\u7684\u76ee\u5f55\u3002\u901a\u8fc7\u5408\u7406\u5730\u62c6\u5206\u6a21\u5757\uff0c\u4f60\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u7ed3\u6784\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u6a21\u5757\u7684\u5bfc\u5165<\/strong><br \/>\u901a\u8fc7\u5bfc\u5165\u6a21\u5757\uff0c\u4f60\u53ef\u4ee5\u5728\u591a\u4e2a\u6587\u4ef6\u4e2d\u91cd\u7528\u4ee3\u7801\uff0c\u907f\u514d\u91cd\u590d\u7f16\u5199\u76f8\u540c\u7684\u903b\u8f91\u3002\u5728Python\u4e2d\uff0c\u5bfc\u5165\u6a21\u5757\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u4f7f\u7528import\u8bed\u53e5\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">import math<\/p>\n<p>def calculate_area(radius):<\/p>\n<p>    return math.pi * radius  2<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u5bfc\u5165math\u6a21\u5757\uff0c\u4f60\u53ef\u4ee5\u91cd\u7528\u5176\u4e2d\u7684pi\u5e38\u91cf\u548c\u5176\u4ed6\u6570\u5b66\u51fd\u6570\uff0c\u4ece\u800c\u51cf\u5c11\u4ee3\u7801\u884c\u6570\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f<\/p>\n<\/p>\n<p><p>\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u4e0e\u5217\u8868\u63a8\u5bfc\u5f0f\u7c7b\u4f3c\uff0c\u4f46\u5b83\u5e76\u4e0d\u4e00\u6b21\u6027\u751f\u6210\u6240\u6709\u6570\u636e\uff0c\u800c\u662f\u6309\u9700\u751f\u6210\uff0c\u56e0\u6b64\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\u66f4\u4e3a\u9ad8\u6548\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u751f\u6210\u5668\u7684\u57fa\u672c\u7528\u6cd5<\/strong><br \/>\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u7684\u8bed\u6cd5\u4e0e\u5217\u8868\u63a8\u5bfc\u5f0f\u7c7b\u4f3c\uff0c\u53ea\u9700\u5c06\u65b9\u62ec\u53f7\u6362\u6210\u5706\u62ec\u53f7\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">squares = (x2 for x in range(10))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u884c\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u751f\u6210\u5668\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u5217\u8868\u3002\u751f\u6210\u5668\u5bf9\u8c61\u53ef\u4ee5\u5728\u9700\u8981\u65f6\u751f\u6210\u6570\u636e\uff0c\u4ece\u800c\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\u8282\u7701\u5185\u5b58\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u4e0e\u51fd\u6570\u7ed3\u5408\u4f7f\u7528<\/strong><br \/>\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u53ef\u4ee5\u4e0e\u51fd\u6570\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">def sum_of_squares(n):<\/p>\n<p>    return sum(x2 for x in range(n))<\/p>\n<p>result = sum_of_squares(10)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u4e0esum\u51fd\u6570\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u8ba1\u7b97\u5e73\u65b9\u548c\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u5728\u4fdd\u6301\u4ee3\u7801\u7b80\u6d01\u7684\u540c\u65f6\uff0c\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u5904\u7406\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u5408\u5e76\u6761\u4ef6\u8bed\u53e5<\/p>\n<\/p>\n<p><p>\u5408\u5e76\u6761\u4ef6\u8bed\u53e5\u53ef\u4ee5\u51cf\u5c11\u4ee3\u7801\u884c\u6570\uff0c\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u5728Python\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u903b\u8f91\u8fd0\u7b97\u7b26\u6765\u5408\u5e76\u591a\u4e2a\u6761\u4ef6\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u4f7f\u7528\u903b\u8f91\u8fd0\u7b97\u7b26<\/strong><br \/>\u901a\u8fc7\u4f7f\u7528and\u3001or\u548cnot\u7b49\u903b\u8f91\u8fd0\u7b97\u7b26\uff0c\u4f60\u53ef\u4ee5\u5408\u5e76\u591a\u4e2a\u6761\u4ef6\u8bed\u53e5\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">if x &gt; 0 and x &lt; 10:<\/p>\n<p>    print(&quot;x is between 0 and 10&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u884c\u4ee3\u7801\u5408\u5e76\u4e86\u4e24\u4e2a\u6761\u4ef6\u5224\u65ad\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u76f4\u89c2\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u4f7f\u7528\u4e09\u5143\u8fd0\u7b97\u7b26<\/strong><br \/>Python\u652f\u6301\u4e09\u5143\u8fd0\u7b97\u7b26\uff0c\u53ef\u4ee5\u5728\u4e00\u884c\u4e2d\u5b9e\u73b0\u6761\u4ef6\u5224\u65ad\u548c\u8d4b\u503c\u3002\u8bed\u6cd5\u4e3a\uff1avalue_if_true if condition else value_if_false\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">result = &quot;Positive&quot; if x &gt; 0 else &quot;Non-positive&quot;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u4f7f\u7528\u4e09\u5143\u8fd0\u7b97\u7b26\uff0c\u4f60\u53ef\u4ee5\u5728\u4e00\u884c\u4e2d\u5b9e\u73b0\u6761\u4ef6\u5224\u65ad\u548c\u8d4b\u503c\uff0c\u4ece\u800c\u51cf\u5c11\u4ee3\u7801\u884c\u6570\u3002<\/p>\n<\/p>\n<p><p>\u516d\u3001\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u53d8\u91cf<\/p>\n<\/p>\n<p><p>\u5728\u7f16\u5199\u4ee3\u7801\u65f6\uff0c\u907f\u514d\u5f15\u5165\u4e0d\u5fc5\u8981\u7684\u53d8\u91cf\u53ef\u4ee5\u51cf\u5c11\u4ee3\u7801\u884c\u6570\uff0c\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u7b80\u6d01\u6027\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u76f4\u63a5\u8fd4\u56de\u503c<\/strong><br \/>\u5728\u51fd\u6570\u4e2d\uff0c\u5982\u679c\u67d0\u4e2a\u503c\u4e0d\u9700\u8981\u5355\u72ec\u5b58\u50a8\u4e3a\u53d8\u91cf\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">def get_square(x):<\/p>\n<p>    return x  2<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u76f4\u63a5\u8fd4\u56de\u8ba1\u7b97\u7ed3\u679c\uff0c\u800c\u4e0d\u662f\u5148\u5c06\u5176\u5b58\u50a8\u5728\u4e00\u4e2a\u53d8\u91cf\u4e2d\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u94fe\u5f0f\u8c03\u7528<\/strong><br \/>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u94fe\u5f0f\u8c03\u7528\u7684\u65b9\u6cd5\u6765\u51cf\u5c11\u4e2d\u95f4\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">result = (data.strip().lower().replace(&quot; &quot;, &quot;_&quot;))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u5728\u4e00\u884c\u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u591a\u6b21\u64cd\u4f5c\uff0c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u53d8\u91cf\u58f0\u660e\u3002<\/p>\n<\/p>\n<p><p>\u4e03\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u548c\u5e93<\/p>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5185\u7f6e\u51fd\u6570\u548c\u5e93\uff0c\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\uff0c\u4f60\u53ef\u4ee5\u6709\u6548\u5730\u51cf\u5c11\u4ee3\u7801\u884c\u6570\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u5185\u7f6e\u51fd\u6570<\/strong><br \/>Python\u7684\u5185\u7f6e\u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5728\u4e00\u884c\u4e2d\u5b9e\u73b0\u590d\u6742\u7684\u64cd\u4f5c\u3002\u4f8b\u5982\uff0csum\u3001max\u3001min\u7b49\u51fd\u6570\u53ef\u4ee5\u5728\u4e0d\u4f7f\u7528\u5faa\u73af\u7684\u60c5\u51b5\u4e0b\uff0c\u5b8c\u6210\u5bf9\u5217\u8868\u7684\u6c42\u548c\u3001\u6c42\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\u7b49\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u6807\u51c6\u5e93<\/strong><br \/>Python\u7684\u6807\u51c6\u5e93\u63d0\u4f9b\u4e86\u8bb8\u591a\u5f3a\u5927\u7684\u6a21\u5757\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u7b80\u5316\u4ee3\u7801\u3002\u4f8b\u5982\uff0c\u4f7f\u7528itertools\u6a21\u5757\u53ef\u4ee5\u9ad8\u6548\u5730\u5904\u7406\u8fed\u4ee3\u5668\uff0c\u800ccollections\u6a21\u5757\u63d0\u4f9b\u4e86\u8bb8\u591a\u6709\u7528\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982Counter\u548cdeque\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u516b\u3001\u4f7f\u7528\u88c5\u9970\u5668<\/p>\n<\/p>\n<p><p>\u88c5\u9970\u5668\u662fPython\u4e2d\u7684\u4e00\u79cd\u9ad8\u7ea7\u7279\u6027\uff0c\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u539f\u51fd\u6570\u7684\u60c5\u51b5\u4e0b\uff0c\u589e\u52a0\u51fd\u6570\u7684\u529f\u80fd\u3002\u901a\u8fc7\u4f7f\u7528\u88c5\u9970\u5668\uff0c\u4f60\u53ef\u4ee5\u51cf\u5c11\u91cd\u590d\u4ee3\u7801\uff0c\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u88c5\u9970\u5668\u7684\u57fa\u672c\u7528\u6cd5<\/strong><br \/>\u88c5\u9970\u5668\u662f\u4e00\u4e2a\u63a5\u53d7\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u51fd\u6570\u7684\u51fd\u6570\u3002\u901a\u8fc7\u4f7f\u7528\u88c5\u9970\u5668\uff0c\u4f60\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u539f\u51fd\u6570\u7684\u60c5\u51b5\u4e0b\uff0c\u589e\u52a0\u529f\u80fd\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">def log_function_call(func):<\/p>\n<p>    def wrapper(*args, kwargs):<\/p>\n<p>        print(f&quot;Calling {func.__name__}&quot;)<\/p>\n<p>        return func(*args, kwargs)<\/p>\n<p>    return wrapper<\/p>\n<p>@log_function_call<\/p>\n<p>def greet(name):<\/p>\n<p>    print(f&quot;Hello, {name}&quot;)<\/p>\n<p>greet(&quot;Alice&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0clog_function_call\u88c5\u9970\u5668\u4e3agreet\u51fd\u6570\u589e\u52a0\u4e86\u65e5\u5fd7\u529f\u80fd\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u4f7f\u7528\u5185\u7f6e\u88c5\u9970\u5668<\/strong><br \/>Python\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u88c5\u9970\u5668\uff0c\u5982staticmethod\u3001classmethod\u548cproperty\uff0c\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u88c5\u9970\u5668\uff0c\u4f60\u53ef\u4ee5\u7b80\u5316\u7c7b\u7684\u5b9a\u4e49\uff0c\u5e76\u51cf\u5c11\u4ee3\u7801\u884c\u6570\u3002<\/li>\n<\/ol>\n<p><p>\u4e5d\u3001\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668<\/p>\n<\/p>\n<p><p>\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u662f\u4e00\u79cd\u7528\u4e8e\u7ba1\u7406\u8d44\u6e90\u7684\u5de5\u5177\uff0c\u901a\u8fc7\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff0c\u4f60\u53ef\u4ee5\u5728\u4e00\u884c\u4ee3\u7801\u4e2d\u5b8c\u6210\u8d44\u6e90\u7684\u521d\u59cb\u5316\u548c\u6e05\u7406\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u57fa\u672c\u7528\u6cd5<\/strong><br \/>\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u901a\u8fc7with\u8bed\u53e5\u5b9e\u73b0\uff0c\u5e38\u7528\u4e8e\u6587\u4ef6\u64cd\u4f5c\u3001\u7f51\u7edc\u8fde\u63a5\u7b49\u9700\u8981<a href=\"https:\/\/docs.pingcode.com\/blog\/project-management\/58557.html\" target=\"_blank\">\u8d44\u6e90\u7ba1\u7406<\/a>\u7684\u573a\u5408\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">with open(&quot;file.txt&quot;, &quot;r&quot;) as file:<\/p>\n<p>    content = file.read()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cwith\u8bed\u53e5\u7b80\u5316\u4e86\u6587\u4ef6\u7684\u6253\u5f00\u548c\u5173\u95ed\u64cd\u4f5c\uff0c\u51cf\u5c11\u4e86\u4ee3\u7801\u884c\u6570\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u81ea\u5b9a\u4e49\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668<\/strong><br \/>\u4f60\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49__enter__\u548c__exit__\u65b9\u6cd5\uff0c\u521b\u5efa\u81ea\u5b9a\u4e49\u7684\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">class MyResource:<\/p>\n<p>    def __enter__(self):<\/p>\n<p>        print(&quot;Resource acquired&quot;)<\/p>\n<p>        return self<\/p>\n<p>    def __exit__(self, exc_type, exc_value, traceback):<\/p>\n<p>        print(&quot;Resource released&quot;)<\/p>\n<p>with MyResource() as resource:<\/p>\n<p>    print(&quot;Using resource&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u5c06\u590d\u6742\u7684\u8d44\u6e90\u7ba1\u7406\u903b\u8f91\u5c01\u88c5\u5728\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u4e2d\uff0c\u4ece\u800c\u51cf\u5c11\u4ee3\u7801\u884c\u6570\u3002<\/p>\n<\/p>\n<p><p>\u5341\u3001\u4f7f\u7528\u591a\u91cd\u8d4b\u503c<\/p>\n<\/p>\n<p><p>\u591a\u91cd\u8d4b\u503c\u662fPython\u7684\u4e00\u79cd\u7279\u6027\uff0c\u53ef\u4ee5\u5728\u4e00\u884c\u4e2d\u540c\u65f6\u4e3a\u591a\u4e2a\u53d8\u91cf\u8d4b\u503c\uff0c\u4ece\u800c\u51cf\u5c11\u4ee3\u7801\u884c\u6570\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u57fa\u672c\u7528\u6cd5<\/strong><br \/>\u901a\u8fc7\u4f7f\u7528\u591a\u91cd\u8d4b\u503c\uff0c\u4f60\u53ef\u4ee5\u5728\u4e00\u884c\u4e2d\u540c\u65f6\u4e3a\u591a\u4e2a\u53d8\u91cf\u8d4b\u503c\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">x, y, z = 1, 2, 3<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u884c\u4ee3\u7801\u5728\u4e00\u884c\u4e2d\u540c\u65f6\u4e3ax\u3001y\u548cz\u8d4b\u503c\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u4ea4\u6362\u53d8\u91cf<\/strong><br \/>\u591a\u91cd\u8d4b\u503c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u4ea4\u6362\u53d8\u91cf\u7684\u503c\uff0c\u800c\u65e0\u9700\u4f7f\u7528\u4e34\u65f6\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">x, y = y, x<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u5728\u4e00\u884c\u4e2d\u4ea4\u6362\u53d8\u91cf\u7684\u503c\uff0c\u4ece\u800c\u51cf\u5c11\u4ee3\u7801\u884c\u6570\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u5728\u4e0d\u727a\u7272\u4ee3\u7801\u53ef\u8bfb\u6027\u548c\u529f\u80fd\u6027\u7684\u524d\u63d0\u4e0b\uff0c\u6709\u6548\u5730\u538b\u7f29Python\u4ee3\u7801\u7684\u884c\u6570\u3002\u8fd9\u4e0d\u4ec5\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u7b80\u6d01\u6027\uff0c\u8fd8\u80fd\u63d0\u5347\u4ee3\u7801\u7684\u6267\u884c\u6548\u7387\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5229\u7528Python\u5185\u7f6e\u51fd\u6570\u6765\u51cf\u5c11\u4ee3\u7801\u884c\u6570\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u6709\u8bb8\u591a\u5185\u7f6e\u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u7b80\u5316\u4ee3\u7801\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>map()<\/code>\u3001<code>filter()<\/code>\u548c<code>lambda<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u5c06\u591a\u4e2a\u64cd\u4f5c\u5408\u5e76\u4e3a\u4e00\u884c\u4ee3\u7801\u3002\u901a\u8fc7\u8fd9\u4e9b\u5de5\u5177\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u4ee3\u7801\u7684\u957f\u5ea6\uff0c\u540c\u65f6\u4fdd\u6301\u53ef\u8bfb\u6027\u3002<\/p>\n<p><strong>\u662f\u5426\u6709\u63a8\u8350\u7684\u4ee3\u7801\u538b\u7f29\u5de5\u5177\u6216\u5e93\uff1f<\/strong><br \/>\u6709\u4e00\u4e9b\u5de5\u5177\u548c\u5e93\u53ef\u4ee5\u5e2e\u52a9\u538b\u7f29Python\u4ee3\u7801\u884c\u6570\u3002\u6bd4\u5982\uff0c\u4f7f\u7528<code>Pyminifier<\/code>\u53ef\u4ee5\u538b\u7f29\u548c\u6df7\u6dc6\u4ee3\u7801\uff0c\u800c<code>Black<\/code>\u662f\u4e00\u4e2a\u6d41\u884c\u7684\u4ee3\u7801\u683c\u5f0f\u5316\u5de5\u5177\uff0c\u80fd\u591f\u81ea\u52a8\u4f18\u5316\u4ee3\u7801\u7ed3\u6784\uff0c\u4f7f\u5176\u66f4\u52a0\u7b80\u6d01\u3002\u6b64\u5916\uff0c\u4f7f\u7528<code>list comprehension<\/code>\u548c<code>generator expressions<\/code>\u4e5f\u662f\u4e00\u79cd\u5e38\u7528\u7684\u624b\u6bb5\u3002<\/p>\n<p><strong>\u5728\u538b\u7f29\u4ee3\u7801\u884c\u6570\u65f6\uff0c\u5982\u4f55\u4fdd\u6301\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1f<\/strong><br \/>\u5728\u538b\u7f29\u4ee3\u7801\u884c\u6570\u7684\u540c\u65f6\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5408\u9002\u7684\u53d8\u91cf\u540d\u3001\u6dfb\u52a0\u5fc5\u8981\u7684\u6ce8\u91ca\u4ee5\u53ca\u907f\u514d\u8fc7\u5ea6\u590d\u6742\u7684\u8868\u8fbe\u5f0f\u6765\u5b9e\u73b0\u3002\u6b64\u5916\uff0c\u9002\u5f53\u7684\u4ee3\u7801\u683c\u5f0f\u5316\u548c\u7ed3\u6784\u5b89\u6392\u4e5f\u80fd\u5e2e\u52a9\u4ed6\u4eba\u66f4\u5bb9\u6613\u7406\u89e3\u4ee3\u7801\u7684\u903b\u8f91\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5f00\u5934\u6bb5\u843d\uff1aPython\u4ee3\u7801\u538b\u7f29\u884c\u6570\u7684\u4e3b\u8981\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u5229\u7528\u51fd\u6570\u548c\u7c7b\u3001\u91c7\u7528\u6a21\u5757\u5316\u7f16\u7a0b\u3001\u4f7f\u7528\u751f\u6210\u5668\u8868\u8fbe\u5f0f 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