{"id":1169852,"date":"2025-01-15T16:15:36","date_gmt":"2025-01-15T08:15:36","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1169852.html"},"modified":"2025-01-15T16:15:39","modified_gmt":"2025-01-15T08:15:39","slug":"python%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%ad%e6%95%b0%e5%ad%97%e4%b8%ad%e6%9c%897","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1169852.html","title":{"rendered":"python\u5982\u4f55\u5224\u65ad\u6570\u5b57\u4e2d\u67097"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/26070724\/c8293951-d828-4285-9a7f-213831f0c3aa.webp\" alt=\"python\u5982\u4f55\u5224\u65ad\u6570\u5b57\u4e2d\u67097\" \/><\/p>\n<p><p> <strong>Python \u5224\u65ad\u6570\u5b57\u4e2d\u662f\u5426\u542b\u67097\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff1a\u53ef\u4ee5\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5e76\u68c0\u67e5\u662f\u5426\u5305\u542b\u5b57\u7b26&#39;7&#39;\u3001\u53ef\u4ee5\u4f7f\u7528\u6570\u5b66\u8fd0\u7b97\u9010\u4f4d\u68c0\u67e5\u6570\u5b57\u7684\u6bcf\u4e00\u4f4d\u3002<\/strong> \u5176\u4e2d\uff0c\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5e76\u68c0\u67e5\u662f\u5426\u5305\u542b\u5b57\u7b26&#39;7&#39;\u7684\u65b9\u6cd5\u8f83\u4e3a\u7b80\u5355\uff0c\u6613\u4e8e\u7406\u89e3\u548c\u5b9e\u73b0\uff0c\u4e0b\u9762\u5c55\u5f00\u8be6\u7ec6\u63cf\u8ff0\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>str()<\/code> \u51fd\u6570\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u4f7f\u7528 <code>in<\/code> \u8fd0\u7b97\u7b26\u68c0\u67e5\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u5305\u542b\u5b57\u7b26&#39;7&#39;\u3002\u8fd9\u79cd\u65b9\u6cd5\u76f4\u89c2\u4e14\u6613\u4e8e\u5b9e\u73b0\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u7684\u5224\u65ad\u9700\u6c42\u3002\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def cont<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>ns_seven(num):<\/p>\n<p>    return &#39;7&#39; in str(num)<\/p>\n<h2><strong>\u6d4b\u8bd5<\/strong><\/h2>\n<p>print(contains_seven(12345))  # \u8f93\u51fa\uff1aFalse<\/p>\n<p>print(contains_seven(12347))  # \u8f93\u51fa\uff1aTrue<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e00\u3001\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5e76\u68c0\u67e5\u5b57\u7b26<\/h3>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u4ee3\u7801\u7b80\u6d01\uff0c\u5bb9\u6613\u7406\u89e3\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u6574\u6570\u548c\u6d6e\u70b9\u6570\u7684\u5224\u65ad\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528 <code>str()<\/code> \u51fd\u6570\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u4f7f\u7528 <code>in<\/code> \u8fd0\u7b97\u7b26\u68c0\u67e5\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u5305\u542b\u5b57\u7b26&#39;7&#39;\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">def contains_seven(num):<\/p>\n<p>    return &#39;7&#39; in str(num)<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>print(contains_seven(12345))  # \u8f93\u51fa\uff1aFalse<\/p>\n<p>print(contains_seven(12347))  # \u8f93\u51fa\uff1aTrue<\/p>\n<p>print(contains_seven(707.89)) # \u8f93\u51fa\uff1aTrue<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e8c\u3001\u9010\u4f4d\u68c0\u67e5\u6570\u5b57\u7684\u6bcf\u4e00\u4f4d<\/h3>\n<\/p>\n<p><p>\u9664\u4e86\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6570\u5b66\u8fd0\u7b97\u9010\u4f4d\u68c0\u67e5\u6570\u5b57\u7684\u6bcf\u4e00\u4f4d\u3002\u8fd9\u79cd\u65b9\u6cd5\u8f83\u4e3a\u590d\u6742\uff0c\u4f46\u662f\u53ef\u4ee5\u907f\u514d\u5b57\u7b26\u4e32\u8f6c\u6362\u5e26\u6765\u7684\u5f00\u9500\uff0c\u9002\u7528\u4e8e\u5bf9\u6027\u80fd\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u6574\u6570\u7684\u9010\u4f4d\u68c0\u67e5<\/h4>\n<\/p>\n<p><p>\u5bf9\u4e8e\u6574\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e0d\u65ad\u53d6\u4f59\u548c\u6574\u9664\u64cd\u4f5c\u6765\u9010\u4f4d\u68c0\u67e5\u6570\u5b57\u7684\u6bcf\u4e00\u4f4d\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def contains_seven(num):<\/p>\n<p>    while num &gt; 0:<\/p>\n<p>        if num % 10 == 7:<\/p>\n<p>            return True<\/p>\n<p>        num \/\/= 10<\/p>\n<p>    return False<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>print(contains_seven(12345))  # \u8f93\u51fa\uff1aFalse<\/p>\n<p>print(contains_seven(12347))  # \u8f93\u51fa\uff1aTrue<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u6d6e\u70b9\u6570\u7684\u9010\u4f4d\u68c0\u67e5<\/h4>\n<\/p>\n<p><p>\u5bf9\u4e8e\u6d6e\u70b9\u6570\uff0c\u6211\u4eec\u9700\u8981\u5148\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u5e76\u6392\u9664\u5c0f\u6570\u70b9\u7684\u5f71\u54cd\uff0c\u7136\u540e\u518d\u9010\u4f4d\u68c0\u67e5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def contains_seven(num):<\/p>\n<p>    num_str = str(num).replace(&#39;.&#39;, &#39;&#39;)<\/p>\n<p>    for char in num_str:<\/p>\n<p>        if char == &#39;7&#39;:<\/p>\n<p>            return True<\/p>\n<p>    return False<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>print(contains_seven(123.45))  # \u8f93\u51fa\uff1aFalse<\/p>\n<p>print(contains_seven(123.47))  # \u8f93\u51fa\uff1aTrue<\/p>\n<p>print(contains_seven(707.89))  # \u8f93\u51fa\uff1aTrue<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u5339\u914d\u590d\u6742\u7684\u5b57\u7b26\u4e32\u6a21\u5f0f\u3002\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>re<\/code> \u6a21\u5757\u5b9e\u73b0\u5bf9\u6570\u5b57\u4e2d\u662f\u5426\u5305\u542b&#39;7&#39;\u7684\u5224\u65ad\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>def contains_seven(num):<\/p>\n<p>    return bool(re.search(&#39;7&#39;, str(num)))<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>print(contains_seven(12345))  # \u8f93\u51fa\uff1aFalse<\/p>\n<p>print(contains_seven(12347))  # \u8f93\u51fa\uff1aTrue<\/p>\n<p>print(contains_seven(707.89)) # \u8f93\u51fa\uff1aTrue<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u7efc\u5408\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\u548c\u573a\u666f\uff0c\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684\u65b9\u6cd5\u3002\u5982\u679c\u9700\u8981\u5224\u65ad\u5927\u91cf\u6570\u636e\u4e2d\u662f\u5426\u5305\u542b&#39;7&#39;\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u7ebf\u7a0b\u6216\u591a\u8fdb\u7a0b\u8fdb\u884c\u4f18\u5316\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u7ed3\u5408\u5177\u4f53\u4e1a\u52a1\u9700\u6c42\uff0c\u5982\u5904\u7406\u5f02\u5e38\u8f93\u5165\u3001\u4f18\u5316\u6027\u80fd\u7b49\uff0c\u8fdb\u884c\u7efc\u5408\u5e94\u7528\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u591a\u7ebf\u7a0b\u4f18\u5316<\/h4>\n<\/p>\n<p><p>\u5bf9\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u5904\u7406\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u7ebf\u7a0b\u6765\u63d0\u9ad8\u6548\u7387\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import threading<\/p>\n<p>def contains_seven(num):<\/p>\n<p>    return &#39;7&#39; in str(num)<\/p>\n<p>def worker(nums, result, index):<\/p>\n<p>    for num in nums:<\/p>\n<p>        if contains_seven(num):<\/p>\n<p>            result[index] = True<\/p>\n<p>            return<\/p>\n<p>    result[index] = False<\/p>\n<p>def contains_seven_in_list(nums):<\/p>\n<p>    threads = []<\/p>\n<p>    result = [False] * len(nums)<\/p>\n<p>    for i, num in enumerate(nums):<\/p>\n<p>        thread = threading.Thread(target=worker, args=([num], result, i))<\/p>\n<p>        threads.append(thread)<\/p>\n<p>        thread.start()<\/p>\n<p>    for thread in threads:<\/p>\n<p>        thread.join()<\/p>\n<p>    return any(result)<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>nums = [12345, 12346, 12347, 12348, 12349]<\/p>\n<p>print(contains_seven_in_list(nums))  # \u8f93\u51fa\uff1aTrue<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u591a\u8fdb\u7a0b\u4f18\u5316<\/h4>\n<\/p>\n<p><p>\u5bf9\u4e8e\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u8fdb\u7a0b\u6765\u63d0\u9ad8\u6548\u7387\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from multiprocessing import Process, Manager<\/p>\n<p>def contains_seven(num):<\/p>\n<p>    return &#39;7&#39; in str(num)<\/p>\n<p>def worker(nums, result, index):<\/p>\n<p>    for num in nums:<\/p>\n<p>        if contains_seven(num):<\/p>\n<p>            result[index] = True<\/p>\n<p>            return<\/p>\n<p>    result[index] = False<\/p>\n<p>def contains_seven_in_list(nums):<\/p>\n<p>    processes = []<\/p>\n<p>    manager = Manager()<\/p>\n<p>    result = manager.list([False] * len(nums))<\/p>\n<p>    for i, num in enumerate(nums):<\/p>\n<p>        process = Process(target=worker, args=([num], result, i))<\/p>\n<p>        processes.append(process)<\/p>\n<p>        process.start()<\/p>\n<p>    for process in processes:<\/p>\n<p>        process.join()<\/p>\n<p>    return any(result)<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>nums = [12345, 12346, 12347, 12348, 12349]<\/p>\n<p>print(contains_seven_in_list(nums))  # \u8f93\u51fa\uff1aTrue<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e94\u3001\u5904\u7406\u5f02\u5e38\u8f93\u5165<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u5904\u7406\u4e00\u4e9b\u5f02\u5e38\u8f93\u5165\uff0c\u5982\u975e\u6570\u5b57\u7c7b\u578b\u7684\u8f93\u5165\u3002\u53ef\u4ee5\u5728\u51fd\u6570\u4e2d\u52a0\u5165\u8f93\u5165\u7c7b\u578b\u68c0\u67e5\uff0c\u786e\u4fdd\u51fd\u6570\u80fd\u591f\u6b63\u786e\u5904\u7406\u5404\u79cd\u60c5\u51b5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def contains_seven(num):<\/p>\n<p>    if not isinstance(num, (int, float)):<\/p>\n<p>        raise ValueError(&quot;Input must be an integer or float&quot;)<\/p>\n<p>    return &#39;7&#39; in str(num)<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>try:<\/p>\n<p>    print(contains_seven(12345))  # \u8f93\u51fa\uff1aFalse<\/p>\n<p>    print(contains_seven(12347))  # \u8f93\u51fa\uff1aTrue<\/p>\n<p>    print(contains_seven(&quot;12347&quot;))  # \u5f15\u53d1\u5f02\u5e38<\/p>\n<p>except ValueError as e:<\/p>\n<p>    print(e)  # \u8f93\u51fa\uff1aInput must be an integer or float<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u516d\u3001\u4f18\u5316\u6027\u80fd<\/h3>\n<\/p>\n<p><p>\u5bf9\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u5904\u7406\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u4f18\u5316\u624b\u6bb5\u6765\u63d0\u9ad8\u6027\u80fd\uff0c\u5982\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u3001\u4f7f\u7528\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784\u7b49\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def contains_seven(num):<\/p>\n<p>    num_str = str(num)<\/p>\n<p>    for char in num_str:<\/p>\n<p>        if char == &#39;7&#39;:<\/p>\n<p>            return True<\/p>\n<p>    return False<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>print(contains_seven(12345))  # \u8f93\u51fa\uff1aFalse<\/p>\n<p>print(contains_seven(12347))  # \u8f93\u51fa\uff1aTrue<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u5728 Python \u4e2d\u5224\u65ad\u6570\u5b57\u4e2d\u662f\u5426\u542b\u67097\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u5305\u62ec\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5e76\u68c0\u67e5\u5b57\u7b26\u3001\u9010\u4f4d\u68c0\u67e5\u6570\u5b57\u7684\u6bcf\u4e00\u4f4d\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u7f3a\u70b9\uff0c\u5177\u4f53\u5e94\u7528\u4e2d\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u7ed3\u5408\u591a\u7ebf\u7a0b\u3001\u591a\u8fdb\u7a0b\u7b49\u4f18\u5316\u624b\u6bb5\uff0c\u63d0\u9ad8\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u7684\u6548\u7387\u3002\u5bf9\u4e8e\u5f02\u5e38\u8f93\u5165\u7684\u5904\u7406\u3001\u6027\u80fd\u4f18\u5316\u7b49\u95ee\u9898\uff0c\u4e5f\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u7efc\u5408\u8003\u8651\u3002\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5224\u65ad\u6570\u5b57\u4e2d\u662f\u5426\u5305\u542b7\uff0c\u4e3a\u5b9e\u9645\u5e94\u7528\u63d0\u4f9b\u53ef\u9760\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u68c0\u67e5\u4e00\u4e2a\u6570\u5b57\u662f\u5426\u5305\u542b\u6570\u5b577\uff1f<\/strong><br \/>\u60a8\u53ef\u4ee5\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u4f7f\u7528\u201cin\u201d\u5173\u952e\u5b57\u68c0\u67e5\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u5305\u542b\u5b57\u7b26&#39;7&#39;\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">number = 12347\ncontains_seven = &#39;7&#39; in str(number)\nprint(contains_seven)  # \u8f93\u51fa: True\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u4e14\u6613\u4e8e\u7406\u89e3\uff0c\u9002\u5408\u5feb\u901f\u5224\u65ad\u3002<\/p>\n<p><strong>\u5982\u679c\u6211\u60f3\u68c0\u67e5\u591a\u4e2a\u6570\u5b57\u4e2d\u662f\u5426\u67097\uff0c\u8be5\u600e\u4e48\u505a\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6216\u8005\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u904d\u5386\u591a\u4e2a\u6570\u5b57\uff0c\u5e76\u68c0\u67e5\u6bcf\u4e2a\u6570\u5b57\u4e2d\u662f\u5426\u5305\u542b7\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n<pre><code class=\"language-python\">numbers = [123, 456, 789, 147]\nresults = [number for number in numbers if &#39;7&#39; in str(number)]\nprint(results)  # \u8f93\u51fa: [789, 147]\n<\/code><\/pre>\n<p>\u8fd9\u6837\u7684\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u5904\u7406\u591a\u4e2a\u6570\u5b57\u5e76\u8fd4\u56de\u7b26\u5408\u6761\u4ef6\u7684\u7ed3\u679c\u3002<\/p>\n<p><strong>\u6709\u6ca1\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u5224\u65ad\u6570\u5b57\u4e2d\u662f\u5426\u67097\uff1f<\/strong><br \/>\u9664\u4e86\u5b57\u7b26\u4e32\u65b9\u6cd5\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6570\u5b66\u65b9\u6cd5\u6765\u5224\u65ad\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u53d6\u4f59\u548c\u6574\u9664\u64cd\u4f5c\u6765\u63d0\u53d6\u6bcf\u4e00\u4f4d\u6570\u5b57\uff0c\u68c0\u67e5\u662f\u5426\u67097\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">def contains_seven(num):\n    while num &gt; 0:\n        if num % 10 == 7:\n            return True\n        num \/\/= 10\n    return False\n\nprint(contains_seven(12347))  # \u8f93\u51fa: True\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u9700\u8981\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u9002\u5408\u5728\u5bf9\u6027\u80fd\u8981\u6c42\u8f83\u9ad8\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python \u5224\u65ad\u6570\u5b57\u4e2d\u662f\u5426\u542b\u67097\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff1a\u53ef\u4ee5\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5e76\u68c0\u67e5\u662f\u5426\u5305\u542b\u5b57\u7b26&#39;7&#39; [&hellip;]","protected":false},"author":3,"featured_media":1169863,"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\/1169852"}],"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=1169852"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1169852\/revisions"}],"predecessor-version":[{"id":1169865,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1169852\/revisions\/1169865"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1169863"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1169852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1169852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1169852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}