{"id":1129752,"date":"2025-01-08T20:32:20","date_gmt":"2025-01-08T12:32:20","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1129752.html"},"modified":"2025-01-08T20:32:24","modified_gmt":"2025-01-08T12:32:24","slug":"python%e5%a6%82%e4%bd%95%e5%81%9a%e4%b8%80%e4%b8%aa%e6%a6%82%e7%8e%87%e7%9a%84%e4%ba%8b%e4%bb%b6-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1129752.html","title":{"rendered":"Python\u5982\u4f55\u505a\u4e00\u4e2a\u6982\u7387\u7684\u4e8b\u4ef6"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25100028\/6e94bf1e-3700-4dd9-adcf-1ef78ff3a55a.webp\" alt=\"Python\u5982\u4f55\u505a\u4e00\u4e2a\u6982\u7387\u7684\u4e8b\u4ef6\" \/><\/p>\n<p><p> <strong>Python\u5982\u4f55\u505a\u4e00\u4e2a\u6982\u7387\u7684\u4e8b\u4ef6<\/strong><\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\u5b9e\u73b0\u4e00\u4e2a\u6982\u7387\u4e8b\u4ef6\u53ef\u4ee5\u901a\u8fc7<strong>\u968f\u673a\u6570\u751f\u6210\u3001\u6761\u4ef6\u5224\u65ad\u3001\u6a21\u62df\u5b9e\u9a8c<\/strong>\u7b49\u65b9\u6cd5\u8fdb\u884c\u3002\u4ee5\u4e0b\u8be6\u7ec6\u63cf\u8ff0\u5982\u4f55\u4f7f\u7528\u968f\u673a\u6570\u751f\u6210\u548c\u6761\u4ef6\u5224\u65ad\u6765\u5b9e\u73b0\u4e00\u4e2a\u6982\u7387\u4e8b\u4ef6\u3002\u5047\u8bbe\u6211\u4eec\u60f3\u6a21\u62df\u4e00\u4e2a\u7b80\u5355\u7684\u4e8b\u4ef6\uff0c\u5982\u6295\u63b7\u4e00\u4e2a\u516c\u5e73\u7684\u786c\u5e01\uff0c\u4e8b\u4ef6\u7684\u7ed3\u679c\u662f\u6b63\u9762\u6216\u53cd\u9762\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Python\u7684<code>random<\/code>\u5e93\u6765\u751f\u6210\u968f\u673a\u6570\uff0c\u5e76\u6839\u636e\u751f\u6210\u7684\u968f\u673a\u6570\u6765\u5224\u65ad\u4e8b\u4ef6\u7684\u7ed3\u679c\u3002<strong>\u968f\u673a\u6570\u751f\u6210<\/strong>\u662f\u5b9e\u73b0\u6982\u7387\u4e8b\u4ef6\u7684\u5173\u952e\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u6a21\u62df\u4e8b\u4ef6\u7684\u4e0d\u786e\u5b9a\u6027\u3002\u6211\u4eec\u53ef\u4ee5\u7528<code>random.random()<\/code>\u51fd\u6570\u751f\u6210\u4e00\u4e2a0\u52301\u4e4b\u95f4\u7684\u6d6e\u70b9\u6570\uff0c\u7136\u540e\u6839\u636e\u8bbe\u5b9a\u7684\u6982\u7387\u8303\u56f4\u5224\u65ad\u4e8b\u4ef6\u662f\u5426\u53d1\u751f\u3002\u4f8b\u5982\uff0c\u751f\u6210\u7684\u968f\u673a\u6570\u5c0f\u4e8e0.5\u8868\u793a\u6295\u63b7\u786c\u5e01\u7684\u7ed3\u679c\u662f\u6b63\u9762\uff0c\u5927\u4e8e\u6216\u7b49\u4e8e0.5\u8868\u793a\u7ed3\u679c\u662f\u53cd\u9762\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u968f\u673a\u6570\u751f\u6210<\/h3>\n<\/p>\n<p><p>\u968f\u673a\u6570\u751f\u6210\u662f\u6982\u7387\u4e8b\u4ef6\u6a21\u62df\u7684\u57fa\u7840\u3002\u5728Python\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>random<\/code>\u6a21\u5757\u6765\u751f\u6210\u968f\u673a\u6570\u3002\u8fd9\u4e2a\u6a21\u5757\u63d0\u4f9b\u4e86\u591a\u79cd\u751f\u6210\u968f\u673a\u6570\u7684\u65b9\u6cd5\uff0c\u5e38\u7528\u7684\u6709<code>random.random()<\/code>\u548c<code>random.randint(a, b)<\/code>\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u4f7f\u7528<code>random.random()<\/code><\/h4>\n<\/p>\n<p><p><code>random.random()<\/code>\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a0\u52301\u4e4b\u95f4\u7684\u6d6e\u70b9\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8fd9\u4e2a\u6d6e\u70b9\u6570\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\u6765\u6a21\u62df\u6982\u7387\u4e8b\u4ef6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def simulate_event(probability):<\/p>\n<p>    if random.random() &lt; probability:<\/p>\n<p>        return &quot;Event Occurred&quot;<\/p>\n<p>    else:<\/p>\n<p>        return &quot;Event Did Not Occur&quot;<\/p>\n<h2><strong>\u6a21\u62df\u4e8b\u4ef6\u53d1\u751f\u7684\u6982\u7387\u4e3a70%<\/strong><\/h2>\n<p>probability = 0.7<\/p>\n<p>for _ in range(10):<\/p>\n<p>    print(simulate_event(probability))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u6bd4\u8f83<code>random.random()<\/code>\u751f\u6210\u7684\u968f\u673a\u6570\u4e0e\u8bbe\u5b9a\u7684\u6982\u7387\u503c\u6765\u5224\u65ad\u4e8b\u4ef6\u662f\u5426\u53d1\u751f\u3002\u5982\u679c\u968f\u673a\u6570\u5c0f\u4e8e\u8bbe\u5b9a\u7684\u6982\u7387\u503c\uff0c\u5219\u8868\u793a\u4e8b\u4ef6\u53d1\u751f\uff1b\u5426\u5219\uff0c\u4e8b\u4ef6\u4e0d\u53d1\u751f\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u4f7f\u7528<code>random.randint(a, b)<\/code><\/h4>\n<\/p>\n<p><p><code>random.randint(a, b)<\/code>\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5728[a, b]\u8303\u56f4\u5185\u7684\u968f\u673a\u6574\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8bbe\u5b9a\u7684\u6982\u7387\u8303\u56f4\u6765\u5224\u65ad\u4e8b\u4ef6\u662f\u5426\u53d1\u751f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def simulate_event(probability):<\/p>\n<p>    if random.randint(1, 100) &lt;= probability * 100:<\/p>\n<p>        return &quot;Event Occurred&quot;<\/p>\n<p>    else:<\/p>\n<p>        return &quot;Event Did Not Occur&quot;<\/p>\n<h2><strong>\u6a21\u62df\u4e8b\u4ef6\u53d1\u751f\u7684\u6982\u7387\u4e3a70%<\/strong><\/h2>\n<p>probability = 0.7<\/p>\n<p>for _ in range(10):<\/p>\n<p>    print(simulate_event(probability))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u8bbe\u5b9a\u7684\u6982\u7387\u503c\u4e58\u4ee5100\uff0c\u7136\u540e\u751f\u6210\u4e00\u4e2a1\u5230100\u4e4b\u95f4\u7684\u968f\u673a\u6574\u6570\u3002\u5982\u679c\u8fd9\u4e2a\u968f\u673a\u6574\u6570\u5c0f\u4e8e\u6216\u7b49\u4e8e\u8bbe\u5b9a\u7684\u6982\u7387\u503c\uff0c\u5219\u8868\u793a\u4e8b\u4ef6\u53d1\u751f\uff1b\u5426\u5219\uff0c\u4e8b\u4ef6\u4e0d\u53d1\u751f\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u6761\u4ef6\u5224\u65ad<\/h3>\n<\/p>\n<p><p>\u5728\u6982\u7387\u4e8b\u4ef6\u6a21\u62df\u4e2d\uff0c\u6761\u4ef6\u5224\u65ad\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u6211\u4eec\u9700\u8981\u6839\u636e\u751f\u6210\u7684\u968f\u673a\u6570\u6765\u5224\u65ad\u4e8b\u4ef6\u662f\u5426\u53d1\u751f\u3002\u6761\u4ef6\u5224\u65ad\u53ef\u4ee5\u901a\u8fc7<code>if<\/code>\u8bed\u53e5\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u5355\u4e00\u6761\u4ef6\u5224\u65ad<\/h4>\n<\/p>\n<p><p>\u5bf9\u4e8e\u7b80\u5355\u7684\u6982\u7387\u4e8b\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5355\u4e00\u6761\u4ef6\u5224\u65ad\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff0c\u6a21\u62df\u6295\u63b7\u4e00\u4e2a\u516c\u5e73\u7684\u786c\u5e01\uff0c\u4e8b\u4ef6\u7684\u7ed3\u679c\u662f\u6b63\u9762\u6216\u53cd\u9762\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def coin_toss():<\/p>\n<p>    if random.random() &lt; 0.5:<\/p>\n<p>        return &quot;Heads&quot;<\/p>\n<p>    else:<\/p>\n<p>        return &quot;T<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>ls&quot;<\/p>\n<h2><strong>\u6a21\u62df\u6295\u63b7\u786c\u5e0110\u6b21<\/strong><\/h2>\n<p>for _ in range(10):<\/p>\n<p>    print(coin_toss())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u6bd4\u8f83<code>random.random()<\/code>\u751f\u6210\u7684\u968f\u673a\u6570\u4e0e0.5\u6765\u5224\u65ad\u6295\u63b7\u786c\u5e01\u7684\u7ed3\u679c\u3002\u5982\u679c\u968f\u673a\u6570\u5c0f\u4e8e0.5\uff0c\u5219\u8868\u793a\u6295\u63b7\u7ed3\u679c\u662f\u6b63\u9762\uff1b\u5426\u5219\uff0c\u6295\u63b7\u7ed3\u679c\u662f\u53cd\u9762\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u591a\u6761\u4ef6\u5224\u65ad<\/h4>\n<\/p>\n<p><p>\u5bf9\u4e8e\u590d\u6742\u7684\u6982\u7387\u4e8b\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u591a\u6761\u4ef6\u5224\u65ad\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff0c\u6a21\u62df\u4e00\u4e2a\u9ab0\u5b50\u7684\u6295\u63b7\uff0c\u4e8b\u4ef6\u7684\u7ed3\u679c\u662f1\u52306\u4e2d\u7684\u4e00\u4e2a\u6570\u503c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def dice_roll():<\/p>\n<p>    rand_num = random.random()<\/p>\n<p>    if rand_num &lt; 1\/6:<\/p>\n<p>        return 1<\/p>\n<p>    elif rand_num &lt; 2\/6:<\/p>\n<p>        return 2<\/p>\n<p>    elif rand_num &lt; 3\/6:<\/p>\n<p>        return 3<\/p>\n<p>    elif rand_num &lt; 4\/6:<\/p>\n<p>        return 4<\/p>\n<p>    elif rand_num &lt; 5\/6:<\/p>\n<p>        return 5<\/p>\n<p>    else:<\/p>\n<p>        return 6<\/p>\n<h2><strong>\u6a21\u62df\u6295\u63b7\u9ab0\u5b5010\u6b21<\/strong><\/h2>\n<p>for _ in range(10):<\/p>\n<p>    print(dice_roll())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u591a\u4e2a<code>if-elif-else<\/code>\u6761\u4ef6\u6765\u5224\u65ad\u6295\u63b7\u9ab0\u5b50\u7684\u7ed3\u679c\u3002\u751f\u6210\u7684\u968f\u673a\u6570\u5728\u4e0d\u540c\u7684\u8303\u56f4\u5185\u5bf9\u5e94\u4e0d\u540c\u7684\u7ed3\u679c\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u6a21\u62df\u5b9e\u9a8c<\/h3>\n<\/p>\n<p><p>\u6a21\u62df\u5b9e\u9a8c\u662f\u6982\u7387\u4e8b\u4ef6\u7814\u7a76\u4e2d\u7684\u91cd\u8981\u65b9\u6cd5\u3002\u901a\u8fc7\u5927\u91cf\u7684\u6a21\u62df\u5b9e\u9a8c\uff0c\u6211\u4eec\u53ef\u4ee5\u4f30\u8ba1\u4e8b\u4ef6\u53d1\u751f\u7684\u6982\u7387\uff0c\u5e76\u9a8c\u8bc1\u7406\u8bba\u4e0a\u7684\u6982\u7387\u503c\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u8499\u7279\u5361\u7f57\u65b9\u6cd5<\/h4>\n<\/p>\n<p><p>\u8499\u7279\u5361\u7f57\u65b9\u6cd5\u662f\u4e00\u79cd\u901a\u8fc7\u5927\u91cf\u968f\u673a\u6837\u672c\u8fdb\u884c\u6570\u503c\u6a21\u62df\u7684\u65b9\u6cd5\u3002\u5b83\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6982\u7387\u8bba\u3001\u7edf\u8ba1\u5b66\u3001\u7269\u7406\u5b66\u7b49\u9886\u57df\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def monte_carlo_pi(num_samples):<\/p>\n<p>    inside_circle = 0<\/p>\n<p>    for _ in range(num_samples):<\/p>\n<p>        x = random.random()<\/p>\n<p>        y = random.random()<\/p>\n<p>        if x&lt;strong&gt;2 + y&lt;\/strong&gt;2 &lt;= 1:<\/p>\n<p>            inside_circle += 1<\/p>\n<p>    return (inside_circle \/ num_samples) * 4<\/p>\n<h2><strong>\u6a21\u62df10000\u6b21\uff0c\u4f30\u8ba1\u03c0\u7684\u503c<\/strong><\/h2>\n<p>estimated_pi = monte_carlo_pi(10000)<\/p>\n<p>print(f&quot;Estimated \u03c0: {estimated_pi}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u8499\u7279\u5361\u7f57\u65b9\u6cd5\u4f30\u8ba1\u5706\u5468\u7387\u03c0\u7684\u503c\u3002\u901a\u8fc7\u751f\u6210\u5927\u91cf\u7684\u968f\u673a\u70b9\uff0c\u8ba1\u7b97\u8fd9\u4e9b\u70b9\u843d\u5728\u5355\u4f4d\u5706\u5185\u7684\u6bd4\u4f8b\uff0c\u5e76\u4e58\u4ee54\u6765\u4f30\u8ba1\u03c0\u7684\u503c\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u8d1d\u53f6\u65af\u65b9\u6cd5<\/h4>\n<\/p>\n<p><p>\u8d1d\u53f6\u65af\u65b9\u6cd5\u662f\u4e00\u79cd\u57fa\u4e8e\u8d1d\u53f6\u65af\u5b9a\u7406\u7684\u7edf\u8ba1\u63a8\u65ad\u65b9\u6cd5\u3002\u5b83\u901a\u8fc7\u7ed3\u5408\u5148\u9a8c\u77e5\u8bc6\u548c\u89c2\u6d4b\u6570\u636e\u6765\u4f30\u8ba1\u4e8b\u4ef6\u7684\u6982\u7387\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def bayesian_update(prior, likelihood, observation):<\/p>\n<p>    posterior = prior * likelihood[observation]<\/p>\n<p>    normalization_constant = sum(prior * likelihood[o] for o in likelihood)<\/p>\n<p>    return posterior \/ normalization_constant<\/p>\n<h2><strong>\u5148\u9a8c\u6982\u7387<\/strong><\/h2>\n<p>prior = 0.5<\/p>\n<h2><strong>\u4f3c\u7136\u51fd\u6570<\/strong><\/h2>\n<p>likelihood = {<\/p>\n<p>    &quot;heads&quot;: 0.6,<\/p>\n<p>    &quot;tails&quot;: 0.4<\/p>\n<p>}<\/p>\n<h2><strong>\u89c2\u6d4b\u7ed3\u679c<\/strong><\/h2>\n<p>observation = &quot;heads&quot;<\/p>\n<h2><strong>\u66f4\u65b0\u540e\u7684\u540e\u9a8c\u6982\u7387<\/strong><\/h2>\n<p>posterior = bayesian_update(prior, likelihood, observation)<\/p>\n<p>print(f&quot;Posterior probability: {posterior}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u8d1d\u53f6\u65af\u65b9\u6cd5\u66f4\u65b0\u4e8b\u4ef6\u7684\u6982\u7387\u3002\u901a\u8fc7\u7ed3\u5408\u5148\u9a8c\u6982\u7387\u3001\u4f3c\u7136\u51fd\u6570\u548c\u89c2\u6d4b\u7ed3\u679c\uff0c\u8ba1\u7b97\u66f4\u65b0\u540e\u7684\u540e\u9a8c\u6982\u7387\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u6982\u7387\u5206\u5e03<\/h3>\n<\/p>\n<p><p>\u5728\u6982\u7387\u4e8b\u4ef6\u6a21\u62df\u4e2d\uff0c\u4e0d\u540c\u7684\u6982\u7387\u5206\u5e03\u6a21\u578b\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u4e0d\u540c\u7c7b\u578b\u7684\u968f\u673a\u73b0\u8c61\u3002\u5e38\u89c1\u7684\u6982\u7387\u5206\u5e03\u6709\u5747\u5300\u5206\u5e03\u3001\u6b63\u6001\u5206\u5e03\u3001\u4e8c\u9879\u5206\u5e03\u7b49\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u5747\u5300\u5206\u5e03<\/h4>\n<\/p>\n<p><p>\u5747\u5300\u5206\u5e03\u662f\u4e00\u79cd\u6700\u7b80\u5355\u7684\u6982\u7387\u5206\u5e03\u6a21\u578b\u3002\u5728\u5747\u5300\u5206\u5e03\u4e2d\uff0c\u6240\u6709\u7684\u7ed3\u679c\u90fd\u662f\u7b49\u6982\u7387\u7684\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def uniform_distribution(a, b):<\/p>\n<p>    return random.uniform(a, b)<\/p>\n<h2><strong>\u751f\u621010\u4e2a\u5747\u5300\u5206\u5e03\u7684\u968f\u673a\u6570<\/strong><\/h2>\n<p>for _ in range(10):<\/p>\n<p>    print(uniform_distribution(0, 1))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>random.uniform(a, b)<\/code>\u51fd\u6570\u751f\u6210\u5728[a, b]\u8303\u56f4\u5185\u5747\u5300\u5206\u5e03\u7684\u968f\u673a\u6570\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u6b63\u6001\u5206\u5e03<\/h4>\n<\/p>\n<p><p>\u6b63\u6001\u5206\u5e03\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u8fde\u7eed\u6982\u7387\u5206\u5e03\u6a21\u578b\u3002\u5728\u6b63\u6001\u5206\u5e03\u4e2d\uff0c\u6570\u636e\u96c6\u4e2d\u5728\u5747\u503c\u9644\u8fd1\uff0c\u5e76\u5448\u949f\u5f62\u66f2\u7ebf\u5206\u5e03\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def normal_distribution(mean, std_dev):<\/p>\n<p>    return random.gauss(mean, std_dev)<\/p>\n<h2><strong>\u751f\u621010\u4e2a\u6b63\u6001\u5206\u5e03\u7684\u968f\u673a\u6570<\/strong><\/h2>\n<p>for _ in range(10):<\/p>\n<p>    print(normal_distribution(0, 1))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>random.gauss(mean, std_dev)<\/code>\u51fd\u6570\u751f\u6210\u5747\u503c\u4e3a<code>mean<\/code>\u3001\u6807\u51c6\u5dee\u4e3a<code>std_dev<\/code>\u7684\u6b63\u6001\u5206\u5e03\u968f\u673a\u6570\u3002<\/p>\n<\/p>\n<p><h4>3\u3001\u4e8c\u9879\u5206\u5e03<\/h4>\n<\/p>\n<p><p>\u4e8c\u9879\u5206\u5e03\u662f\u4e00\u79cd\u79bb\u6563\u6982\u7387\u5206\u5e03\u6a21\u578b\u3002\u5728\u4e8c\u9879\u5206\u5e03\u4e2d\uff0c\u6bcf\u6b21\u5b9e\u9a8c\u6709\u4e24\u4e2a\u53ef\u80fd\u7684\u7ed3\u679c\uff08\u5982\u6210\u529f\u548c\u5931\u8d25\uff09\uff0c\u5e76\u4e14\u6bcf\u6b21\u5b9e\u9a8c\u7684\u6210\u529f\u6982\u7387\u76f8\u540c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def binomial_distribution(n, p):<\/p>\n<p>    return sum(random.random() &lt; p for _ in range(n))<\/p>\n<h2><strong>\u6a21\u62df10\u6b21\u8bd5\u9a8c\uff0c\u6bcf\u6b21\u8bd5\u9a8c\u6210\u529f\u7684\u6982\u7387\u4e3a0.5<\/strong><\/h2>\n<p>for _ in range(10):<\/p>\n<p>    print(binomial_distribution(10, 0.5))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>random.random()<\/code>\u51fd\u6570\u751f\u6210\u968f\u673a\u6570\uff0c\u5e76\u901a\u8fc7\u6761\u4ef6\u5224\u65ad\u6765\u6a21\u62df\u4e8c\u9879\u5206\u5e03\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u6982\u7387\u4e8b\u4ef6\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u6982\u7387\u4e8b\u4ef6\u7684\u6a21\u62df\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u91d1\u878d\u9886\u57df\u7684\u98ce\u9669\u8bc4\u4f30\u3001\u533b\u5b66\u9886\u57df\u7684\u75be\u75c5\u9884\u6d4b\u3001\u5de5\u7a0b\u9886\u57df\u7684\u53ef\u9760\u6027\u5206\u6790\u7b49\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u91d1\u878d\u9886\u57df\u7684\u98ce\u9669\u8bc4\u4f30<\/h4>\n<\/p>\n<p><p>\u5728\u91d1\u878d\u9886\u57df\uff0c\u6982\u7387\u4e8b\u4ef6\u6a21\u62df\u53ef\u4ee5\u7528\u6765\u8bc4\u4f30\u6295\u8d44\u98ce\u9669\u3002\u901a\u8fc7\u6a21\u62df\u80a1\u7968\u4ef7\u683c\u7684\u53d8\u5316\uff0c\u4f30\u8ba1\u6295\u8d44\u7ec4\u5408\u7684\u6536\u76ca\u548c\u98ce\u9669\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def simulate_stock_price(initial_price, mean_return, volatility, time_horizon):<\/p>\n<p>    price = initial_price<\/p>\n<p>    for _ in range(time_horizon):<\/p>\n<p>        price += price * (mean_return + random.gauss(0, volatility))<\/p>\n<p>    return price<\/p>\n<h2><strong>\u6a21\u62df\u80a1\u7968\u4ef7\u683c\u53d8\u5316<\/strong><\/h2>\n<p>initial_price = 100<\/p>\n<p>mean_return = 0.05<\/p>\n<p>volatility = 0.2<\/p>\n<p>time_horizon = 365<\/p>\n<p>for _ in range(10):<\/p>\n<p>    print(simulate_stock_price(initial_price, mean_return, volatility, time_horizon))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u6a21\u62df\u80a1\u7968\u4ef7\u683c\u7684\u53d8\u5316\uff0c\u4f30\u8ba1\u4e00\u5e74\u540e\u7684\u80a1\u7968\u4ef7\u683c\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u533b\u5b66\u9886\u57df\u7684\u75be\u75c5\u9884\u6d4b<\/h4>\n<\/p>\n<p><p>\u5728\u533b\u5b66\u9886\u57df\uff0c\u6982\u7387\u4e8b\u4ef6\u6a21\u62df\u53ef\u4ee5\u7528\u6765\u9884\u6d4b\u75be\u75c5\u7684\u53d1\u751f\u7387\u3002\u901a\u8fc7\u7ed3\u5408\u75be\u75c5\u7684\u5148\u9a8c\u6982\u7387\u548c\u89c2\u6d4b\u6570\u636e\uff0c\u4f30\u8ba1\u4e2a\u4f53\u60a3\u75c5\u7684\u98ce\u9669\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def simulate_disease_risk(prior_probability, test_sensitivity, test_specificity):<\/p>\n<p>    if random.random() &lt; prior_probability:<\/p>\n<p>        return random.random() &lt; test_sensitivity<\/p>\n<p>    else:<\/p>\n<p>        return random.random() &gt; test_specificity<\/p>\n<h2><strong>\u6a21\u62df\u75be\u75c5\u98ce\u9669\u9884\u6d4b<\/strong><\/h2>\n<p>prior_probability = 0.01<\/p>\n<p>test_sensitivity = 0.9<\/p>\n<p>test_specificity = 0.95<\/p>\n<p>for _ in range(10):<\/p>\n<p>    print(simulate_disease_risk(prior_probability, test_sensitivity, test_specificity))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u6a21\u62df\u75be\u75c5\u7684\u5148\u9a8c\u6982\u7387\u548c\u68c0\u6d4b\u7684\u654f\u611f\u6027\u3001\u7279\u5f02\u6027\uff0c\u4f30\u8ba1\u4e2a\u4f53\u60a3\u75c5\u7684\u98ce\u9669\u3002<\/p>\n<\/p>\n<p><h4>3\u3001\u5de5\u7a0b\u9886\u57df\u7684\u53ef\u9760\u6027\u5206\u6790<\/h4>\n<\/p>\n<p><p>\u5728\u5de5\u7a0b\u9886\u57df\uff0c\u6982\u7387\u4e8b\u4ef6\u6a21\u62df\u53ef\u4ee5\u7528\u6765\u5206\u6790\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002\u901a\u8fc7\u6a21\u62df\u7cfb\u7edf\u7ec4\u4ef6\u7684\u6545\u969c\uff0c\u8bc4\u4f30\u7cfb\u7edf\u7684\u6574\u4f53\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def simulate_system_reliability(component_reliability, num_components):<\/p>\n<p>    return all(random.random() &lt; component_reliability for _ in range(num_components))<\/p>\n<h2><strong>\u6a21\u62df\u7cfb\u7edf\u53ef\u9760\u6027\u5206\u6790<\/strong><\/h2>\n<p>component_reliability = 0.99<\/p>\n<p>num_components = 10<\/p>\n<p>for _ in range(10):<\/p>\n<p>    print(simulate_system_reliability(component_reliability, num_components))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u6a21\u62df\u7cfb\u7edf\u7ec4\u4ef6\u7684\u53ef\u9760\u6027\uff0c\u8bc4\u4f30\u7cfb\u7edf\u7684\u6574\u4f53\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\u5b9e\u73b0\u4e00\u4e2a\u6982\u7387\u4e8b\u4ef6\u53ef\u4ee5\u901a\u8fc7<strong>\u968f\u673a\u6570\u751f\u6210\u3001\u6761\u4ef6\u5224\u65ad\u3001\u6a21\u62df\u5b9e\u9a8c<\/strong>\u7b49\u65b9\u6cd5\u8fdb\u884c\u3002\u901a\u8fc7\u4f7f\u7528<code>random<\/code>\u6a21\u5757\u751f\u6210\u968f\u673a\u6570\uff0c\u5e76\u7ed3\u5408\u6761\u4ef6\u5224\u65ad\uff0c\u53ef\u4ee5\u6a21\u62df\u5404\u79cd\u6982\u7387\u4e8b\u4ef6\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u5927\u91cf\u7684\u6a21\u62df\u5b9e\u9a8c\uff0c\u53ef\u4ee5\u4f30\u8ba1\u4e8b\u4ef6\u53d1\u751f\u7684\u6982\u7387\uff0c\u5e76\u9a8c\u8bc1\u7406\u8bba\u4e0a\u7684\u6982\u7387\u503c\u3002\u4e0d\u540c\u7684\u6982\u7387\u5206\u5e03\u6a21\u578b\u53ef\u4ee5\u7528\u6765\u63cf\u8ff0\u4e0d\u540c\u7c7b\u578b\u7684\u968f\u673a\u73b0\u8c61\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u91d1\u878d\u3001\u533b\u5b66\u3001\u5de5\u7a0b\u7b49\u9886\u57df\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6982\u7387\u4e8b\u4ef6\u6a21\u62df\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3\u548c\u9884\u6d4b\u968f\u673a\u73b0\u8c61\uff0c\u4e3a\u51b3\u7b56\u63d0\u4f9b\u79d1\u5b66\u4f9d\u636e\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u751f\u6210\u968f\u673a\u6570\u4ee5\u6a21\u62df\u6982\u7387\u4e8b\u4ef6\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>random<\/code>\u6a21\u5757\u6765\u751f\u6210\u968f\u673a\u6570\uff0c\u4ece\u800c\u6a21\u62df\u5404\u79cd\u6982\u7387\u4e8b\u4ef6\u3002\u4f7f\u7528<code>random.random()<\/code>\u53ef\u4ee5\u751f\u62100\u52301\u4e4b\u95f4\u7684\u6d6e\u52a8\u968f\u673a\u6570\uff0c\u63a5\u7740\u6839\u636e\u7279\u5b9a\u7684\u6982\u7387\u6761\u4ef6\u6765\u5224\u65ad\u4e8b\u4ef6\u7684\u53d1\u751f\u3002\u4f8b\u5982\uff0c\u82e5\u60f3\u6a21\u62df\u4e00\u4e2a\u670930%\u6982\u7387\u53d1\u751f\u7684\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u5c06\u751f\u6210\u7684\u968f\u673a\u6570\u4e0e0.3\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n<p><strong>Python\u4e2d\u6709\u54ea\u4e9b\u5e93\u53ef\u4ee5\u5e2e\u52a9\u6211\u5904\u7406\u6982\u7387\u548c\u7edf\u8ba1\u95ee\u9898\uff1f<\/strong><br \/>\u9664\u4e86<code>random<\/code>\u6a21\u5757\u5916\uff0cPython\u8fd8\u6709\u5176\u4ed6\u5f3a\u5927\u7684\u5e93\uff0c\u5982<code>numpy<\/code>\u548c<code>scipy<\/code>\u3002<code>numpy<\/code>\u63d0\u4f9b\u4e86\u591a\u79cd\u968f\u673a\u6570\u751f\u6210\u51fd\u6570\uff0c\u9002\u5408\u8fdb\u884c\u5927\u91cf\u6570\u636e\u7684\u6982\u7387\u6a21\u62df\uff0c\u800c<code>scipy<\/code>\u5219\u5305\u542b\u4e86\u66f4\u590d\u6742\u7684\u7edf\u8ba1\u5206\u5e03\u548c\u5047\u8bbe\u68c0\u9a8c\u529f\u80fd\u3002\u8fd9\u4e9b\u5e93\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u9ad8\u6548\u5730\u8fdb\u884c\u6982\u7387\u548c\u7edf\u8ba1\u5206\u6790\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u53ef\u89c6\u5316\u6982\u7387\u4e8b\u4ef6\u7684\u7ed3\u679c\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528<code>matplotlib<\/code>\u5e93\u6765\u53ef\u89c6\u5316\u6982\u7387\u4e8b\u4ef6\u7684\u7ed3\u679c\u3002\u901a\u8fc7\u7ed8\u5236\u76f4\u65b9\u56fe\u3001\u6563\u70b9\u56fe\u7b49\uff0c\u53ef\u4ee5\u76f4\u89c2\u5730\u5c55\u793a\u4e8b\u4ef6\u53d1\u751f\u7684\u9891\u7387\u548c\u5206\u5e03\u60c5\u51b5\u3002\u7ed3\u5408<code>seaborn<\/code>\u5e93\uff0c\u80fd\u591f\u521b\u5efa\u66f4\u7f8e\u89c2\u7684\u7edf\u8ba1\u56fe\u8868\uff0c\u4f7f\u5f97\u6570\u636e\u5206\u6790\u66f4\u52a0\u76f4\u89c2\u548c\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5982\u4f55\u505a\u4e00\u4e2a\u6982\u7387\u7684\u4e8b\u4ef6 \u5728Python\u4e2d\u5b9e\u73b0\u4e00\u4e2a\u6982\u7387\u4e8b\u4ef6\u53ef\u4ee5\u901a\u8fc7\u968f\u673a\u6570\u751f\u6210\u3001\u6761\u4ef6\u5224\u65ad\u3001\u6a21\u62df\u5b9e\u9a8c\u7b49\u65b9\u6cd5 [&hellip;]","protected":false},"author":3,"featured_media":1129761,"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\/1129752"}],"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=1129752"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1129752\/revisions"}],"predecessor-version":[{"id":1129763,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1129752\/revisions\/1129763"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1129761"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1129752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1129752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1129752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}