{"id":1173265,"date":"2025-01-15T17:01:04","date_gmt":"2025-01-15T09:01:04","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1173265.html"},"modified":"2025-01-15T17:01:07","modified_gmt":"2025-01-15T09:01:07","slug":"python-%e5%a6%82%e4%bd%95%e8%a1%a8%e7%a4%ba%e4%b8%8d%e7%ad%89%e5%8f%b7","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1173265.html","title":{"rendered":"python \u5982\u4f55\u8868\u793a\u4e0d\u7b49\u53f7"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/26075059\/b053dcc3-b418-4fcd-8eb8-01d1d3a2c7d8.webp\" alt=\"python \u5982\u4f55\u8868\u793a\u4e0d\u7b49\u53f7\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u4e0d\u7b49\u53f7\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8868\u793a\uff1a\u4f7f\u7528<code>!=<\/code>\u8868\u793a\u4e0d\u7b49\u4e8e\u3001\u4f7f\u7528<code>&lt;<\/code>\u8868\u793a\u5c0f\u4e8e\u3001\u4f7f\u7528<code>&gt;<\/code>\u8868\u793a\u5927\u4e8e\u3001\u4f7f\u7528<code>&lt;=<\/code>\u8868\u793a\u5c0f\u4e8e\u7b49\u4e8e\u3001\u4f7f\u7528<code>&gt;=<\/code>\u8868\u793a\u5927\u4e8e\u7b49\u4e8e\u3002<\/strong> \u8fd9\u4e9b\u7b26\u53f7\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u503c\u6216\u8868\u8fbe\u5f0f\uff0c\u5e76\u8fd4\u56de\u5e03\u5c14\u503c\uff08True\u6216False\uff09\u4f5c\u4e3a\u7ed3\u679c\u3002\u4f8b\u5982\uff0c<code>a != b<\/code>\u8868\u793a\u5982\u679ca\u4e0d\u7b49\u4e8eb\uff0c\u5219\u8fd4\u56deTrue\uff0c\u5426\u5219\u8fd4\u56deFalse\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4e2d\u4e00\u79cd\u4e0d\u7b49\u53f7\u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><h3>\u4f7f\u7528 <code>!=<\/code> \u8868\u793a\u4e0d\u7b49\u4e8e<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c<code>!=<\/code> \u7b26\u53f7\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u503c\u662f\u5426\u4e0d\u76f8\u7b49\u3002\u5982\u679c\u4e24\u4e2a\u503c\u4e0d\u76f8\u7b49\uff0c\u5219\u8868\u8fbe\u5f0f\u8fd4\u56de <code>True<\/code>\uff0c\u5426\u5219\u8fd4\u56de <code>False<\/code>\u3002\u8fd9\u662f\u5728\u6761\u4ef6\u8bed\u53e5\u548c\u5faa\u73af\u4e2d\u5e38\u7528\u7684\u4e00\u79cd\u6bd4\u8f83\u64cd\u4f5c\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">a = 5<\/p>\n<p>b = 3<\/p>\n<p>if a != b:<\/p>\n<p>    print(&quot;a \u4e0d\u7b49\u4e8e b&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;a \u7b49\u4e8e b&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c<code>a<\/code> \u4e0d\u7b49\u4e8e <code>b<\/code>\uff0c\u56e0\u6b64\u8f93\u51fa\u7ed3\u679c\u4e3a <code>a \u4e0d\u7b49\u4e8e b<\/code>\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528\u4e0d\u7b49\u53f7\u8fdb\u884c\u6761\u4ef6\u5224\u65ad<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u4e0d\u7b49\u53f7\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\u662f\u7f16\u7a0b\u4e2d\u6700\u5e38\u89c1\u7684\u64cd\u4f5c\u4e4b\u4e00\u3002\u5b83\u5141\u8bb8\u7a0b\u5e8f\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u6267\u884c\u4e0d\u540c\u7684\u4ee3\u7801\u6bb5\u3002<\/p>\n<\/p>\n<p><h4>1. if-else \u7ed3\u6784<\/h4>\n<\/p>\n<p><p><code>if-else<\/code> \u7ed3\u6784\u662f\u6761\u4ef6\u5224\u65ad\u7684\u57fa\u672c\u5f62\u5f0f\u3002\u5b83\u6839\u636e\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u771f\u5047\u6765\u51b3\u5b9a\u6267\u884c\u54ea\u4e2a\u4ee3\u7801\u5757\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">x = 10<\/p>\n<p>y = 20<\/p>\n<p>if x != y:<\/p>\n<p>    print(&quot;x \u548c y \u4e0d\u76f8\u7b49&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;x \u548c y \u76f8\u7b49&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>x<\/code> \u548c <code>y<\/code> \u7684\u503c\u4e0d\u76f8\u7b49\uff0c\u56e0\u6b64\u8f93\u51fa <code>x \u548c y \u4e0d\u76f8\u7b49<\/code>\u3002<\/p>\n<\/p>\n<p><h4>2. elif \u7ed3\u6784<\/h4>\n<\/p>\n<p><p><code>elif<\/code> \u7ed3\u6784\u7528\u4e8e\u5728\u591a\u4e2a\u6761\u4ef6\u4e2d\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">num = 15<\/p>\n<p>if num &lt; 10:<\/p>\n<p>    print(&quot;num \u5c0f\u4e8e 10&quot;)<\/p>\n<p>elif num &gt; 20:<\/p>\n<p>    print(&quot;num \u5927\u4e8e 20&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;num \u5728 10 \u548c 20 \u4e4b\u95f4&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>num<\/code> \u7684\u503c\u5728 10 \u548c 20 \u4e4b\u95f4\uff0c\u56e0\u6b64\u8f93\u51fa <code>num \u5728 10 \u548c 20 \u4e4b\u95f4<\/code>\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528\u4e0d\u7b49\u53f7\u8fdb\u884c\u5faa\u73af<\/h3>\n<\/p>\n<p><p>\u4e0d\u7b49\u53f7\u5728\u5faa\u73af\u7ed3\u6784\u4e2d\u4e5f\u975e\u5e38\u6709\u7528\uff0c\u7279\u522b\u662f\u5728 <code>while<\/code> \u5faa\u73af\u4e2d\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u63a7\u5236\u5faa\u73af\u7684\u6267\u884c\u6b21\u6570\u3002<\/p>\n<\/p>\n<p><h4>1. while \u5faa\u73af<\/h4>\n<\/p>\n<p><p><code>while<\/code> \u5faa\u73af\u6839\u636e\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u771f\u5047\u6765\u51b3\u5b9a\u662f\u5426\u7ee7\u7eed\u6267\u884c\u5faa\u73af\u4f53\u3002\u5f53\u6761\u4ef6\u8868\u8fbe\u5f0f\u4e3a <code>True<\/code> \u65f6\uff0c\u5faa\u73af\u7ee7\u7eed\u6267\u884c\uff1b\u5f53\u6761\u4ef6\u8868\u8fbe\u5f0f\u4e3a <code>False<\/code> \u65f6\uff0c\u5faa\u73af\u7ec8\u6b62\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">count = 0<\/p>\n<p>while count != 5:<\/p>\n<p>    print(&quot;count \u7684\u503c\u662f:&quot;, count)<\/p>\n<p>    count += 1<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>while<\/code> \u5faa\u73af\u4f1a\u4e00\u76f4\u6267\u884c\uff0c\u76f4\u5230 <code>count<\/code> \u7684\u503c\u7b49\u4e8e 5 \u4e3a\u6b62\u3002\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n<p><pre><code>count \u7684\u503c\u662f: 0<\/p>\n<p>count \u7684\u503c\u662f: 1<\/p>\n<p>count \u7684\u503c\u662f: 2<\/p>\n<p>count \u7684\u503c\u662f: 3<\/p>\n<p>count \u7684\u503c\u662f: 4<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u4e0d\u7b49\u53f7\u8fdb\u884c\u5217\u8868\u548c\u5b57\u5178\u7684\u904d\u5386<\/h3>\n<\/p>\n<p><p>\u5728\u904d\u5386\u5217\u8868\u548c\u5b57\u5178\u65f6\uff0c\u4e0d\u7b49\u53f7\u4e5f\u53ef\u4ee5\u8d77\u5230\u91cd\u8981\u4f5c\u7528\uff0c\u7279\u522b\u662f\u5728\u8fc7\u6ee4\u548c\u67e5\u627e\u7279\u5b9a\u5143\u7d20\u65f6\u3002<\/p>\n<\/p>\n<p><h4>1. \u904d\u5386\u5217\u8868<\/h4>\n<\/p>\n<p><p>\u4f7f\u7528 <code>for<\/code> \u5faa\u73af\u904d\u5386\u5217\u8868\uff0c\u5e76\u4f7f\u7528\u4e0d\u7b49\u53f7\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">numbers = [1, 2, 3, 4, 5]<\/p>\n<p>for num in numbers:<\/p>\n<p>    if num != 3:<\/p>\n<p>        print(num)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n<p><pre><code>1<\/p>\n<p>2<\/p>\n<p>4<\/p>\n<p>5<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56e0\u4e3a <code>num<\/code> \u4e0d\u7b49\u4e8e 3 \u65f6\u624d\u4f1a\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n<p><h4>2. \u904d\u5386\u5b57\u5178<\/h4>\n<\/p>\n<p><p>\u540c\u6837\u5730\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0d\u7b49\u53f7\u6765\u904d\u5386\u5b57\u5178\uff0c\u5e76\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">person = {&quot;name&quot;: &quot;Alice&quot;, &quot;age&quot;: 25, &quot;city&quot;: &quot;New York&quot;}<\/p>\n<p>for key, value in person.items():<\/p>\n<p>    if key != &quot;age&quot;:<\/p>\n<p>        print(f&quot;{key}: {value}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n<p><pre><code>name: Alice<\/p>\n<p>city: New York<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56e0\u4e3a <code>key<\/code> \u4e0d\u7b49\u4e8e &quot;age&quot; \u65f6\u624d\u4f1a\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u4f7f\u7528\u4e0d\u7b49\u53f7\u8fdb\u884c\u51fd\u6570\u7684\u8fd4\u56de\u503c\u5224\u65ad<\/h3>\n<\/p>\n<p><p>\u5728\u7f16\u5199\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0d\u7b49\u53f7\u6765\u5224\u65ad\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u4ece\u800c\u51b3\u5b9a\u540e\u7eed\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><h4>1. \u7b80\u5355\u793a\u4f8b<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">def check_even(num):<\/p>\n<p>    return num % 2 == 0<\/p>\n<p>result = check_even(4)<\/p>\n<p>if result != True:<\/p>\n<p>    print(&quot;Number is odd&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;Number is even&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u51fd\u6570 <code>check_even<\/code> \u7528\u4e8e\u5224\u65ad\u4e00\u4e2a\u6570\u662f\u5426\u4e3a\u5076\u6570\u3002\u56e0\u4e3a 4 \u662f\u5076\u6570\uff0c\u6240\u4ee5\u8f93\u51fa\u7ed3\u679c\u4e3a <code>Number is even<\/code>\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u5728\u6570\u636e\u8fc7\u6ee4\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u4e0d\u7b49\u53f7\u5728\u6570\u636e\u8fc7\u6ee4\u4e2d\u4e5f\u975e\u5e38\u5e38\u89c1\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e0d\u7b49\u53f7\u6765\u7b5b\u9009\u51fa\u7b26\u5408\u6761\u4ef6\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h4>1. \u8fc7\u6ee4\u5217\u8868\u4e2d\u7684\u5143\u7d20<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">data = [10, 20, 30, 40, 50, 60]<\/p>\n<p>filtered_data = [x for x in data if x != 30]<\/p>\n<p>print(filtered_data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n<p><pre><code>[10, 20, 40, 50, 60]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56e0\u4e3a <code>30<\/code> \u88ab\u8fc7\u6ee4\u6389\u4e86\u3002<\/p>\n<\/p>\n<p><h4>2. \u8fc7\u6ee4\u5b57\u5178\u4e2d\u7684\u5143\u7d20<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">people = {&quot;Alice&quot;: 25, &quot;Bob&quot;: 30, &quot;Charlie&quot;: 35, &quot;David&quot;: 40}<\/p>\n<p>filtered_people = {k: v for k, v in people.items() if v != 30}<\/p>\n<p>print(filtered_people)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n<p><pre><code>{&#39;Alice&#39;: 25, &#39;Charlie&#39;: 35, &#39;David&#39;: 40}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56e0\u4e3a\u5e74\u9f84\u4e3a <code>30<\/code> \u7684 <code>Bob<\/code> \u88ab\u8fc7\u6ee4\u6389\u4e86\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u4e0d\u7b49\u53f7\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u4e0d\u7b49\u53f7\u4e5f\u6709\u5176\u72ec\u7279\u7684\u5e94\u7528\u573a\u666f\uff0c\u7279\u522b\u662f\u5728\u6bd4\u8f83\u5bf9\u8c61\u548c\u91cd\u8f7d\u8fd0\u7b97\u7b26\u65f6\u3002<\/p>\n<\/p>\n<p><h4>1. \u6bd4\u8f83\u5bf9\u8c61<\/h4>\n<\/p>\n<p><p>\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u91cd\u8f7d <code>__ne__<\/code> \u65b9\u6cd5\u6765\u5b9a\u4e49\u5bf9\u8c61\u7684\u4e0d\u7b49\u6bd4\u8f83\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Person:<\/p>\n<p>    def __init__(self, name, age):<\/p>\n<p>        self.name = name<\/p>\n<p>        self.age = age<\/p>\n<p>    def __ne__(self, other):<\/p>\n<p>        return self.age != other.age<\/p>\n<p>person1 = Person(&quot;Alice&quot;, 25)<\/p>\n<p>person2 = Person(&quot;Bob&quot;, 30)<\/p>\n<p>print(person1 != person2)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a <code>True<\/code>\uff0c\u56e0\u4e3a <code>person1<\/code> \u548c <code>person2<\/code> \u7684\u5e74\u9f84\u4e0d\u76f8\u7b49\u3002<\/p>\n<\/p>\n<p><h4>2. \u91cd\u8f7d\u8fd0\u7b97\u7b26<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u91cd\u8f7d\u8fd0\u7b97\u7b26\uff0c\u53ef\u4ee5\u81ea\u5b9a\u4e49\u5bf9\u8c61\u7684\u6bd4\u8f83\u884c\u4e3a\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class Vector:<\/p>\n<p>    def __init__(self, x, y):<\/p>\n<p>        self.x = x<\/p>\n<p>        self.y = y<\/p>\n<p>    def __ne__(self, other):<\/p>\n<p>        return self.x != other.x or self.y != other.y<\/p>\n<p>vector1 = Vector(1, 2)<\/p>\n<p>vector2 = Vector(2, 3)<\/p>\n<p>print(vector1 != vector2)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a <code>True<\/code>\uff0c\u56e0\u4e3a <code>vector1<\/code> \u548c <code>vector2<\/code> \u7684\u5206\u91cf\u4e0d\u76f8\u7b49\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u4e0d\u7b49\u53f7\u5728\u9519\u8bef\u5904\u7406\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u9519\u8bef\u5904\u7406\u548c\u5f02\u5e38\u6355\u83b7\u4e2d\uff0c\u4e0d\u7b49\u53f7\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5224\u65ad\u9519\u8bef\u7c7b\u578b\u6216\u9519\u8bef\u4fe1\u606f\uff0c\u4ece\u800c\u51b3\u5b9a\u5982\u4f55\u5904\u7406\u5f02\u5e38\u3002<\/p>\n<\/p>\n<p><h4>1. \u6355\u83b7\u7279\u5b9a\u7c7b\u578b\u7684\u5f02\u5e38<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">try:<\/p>\n<p>    result = 10 \/ 0<\/p>\n<p>except ZeroDivisionError as e:<\/p>\n<p>    if e != None:<\/p>\n<p>        print(&quot;\u6355\u83b7\u5230\u9664\u96f6\u5f02\u5e38&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5c1d\u8bd5\u8fdb\u884c\u9664\u96f6\u64cd\u4f5c\u65f6\uff0c\u4f1a\u6355\u83b7\u5230 <code>ZeroDivisionError<\/code> \u5f02\u5e38\uff0c\u5e76\u8f93\u51fa <code>\u6355\u83b7\u5230\u9664\u96f6\u5f02\u5e38<\/code>\u3002<\/p>\n<\/p>\n<p><h4>2. \u81ea\u5b9a\u4e49\u5f02\u5e38\u5904\u7406<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">class MyError(Exception):<\/p>\n<p>    pass<\/p>\n<p>try:<\/p>\n<p>    r<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>se MyError(&quot;\u8fd9\u662f\u4e00\u4e2a\u81ea\u5b9a\u4e49\u9519\u8bef&quot;)<\/p>\n<p>except MyError as e:<\/p>\n<p>    if e != None:<\/p>\n<p>        print(&quot;\u6355\u83b7\u5230\u81ea\u5b9a\u4e49\u9519\u8bef:&quot;, e)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u629b\u51fa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u9519\u8bef <code>MyError<\/code>\uff0c\u5e76\u6355\u83b7\u5230\u8be5\u5f02\u5e38\uff0c\u8f93\u51fa <code>\u6355\u83b7\u5230\u81ea\u5b9a\u4e49\u9519\u8bef: \u8fd9\u662f\u4e00\u4e2a\u81ea\u5b9a\u4e49\u9519\u8bef<\/code>\u3002<\/p>\n<\/p>\n<p><h3>\u516b\u3001\u4e0d\u7b49\u53f7\u5728\u6587\u4ef6\u64cd\u4f5c\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u8fdb\u884c\u6587\u4ef6\u64cd\u4f5c\u65f6\uff0c\u4e0d\u7b49\u53f7\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5224\u65ad\u6587\u4ef6\u5185\u5bb9\uff0c\u51b3\u5b9a\u662f\u5426\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><h4>1. \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5e76\u8fdb\u884c\u5224\u65ad<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&quot;example.txt&quot;, &quot;r&quot;) as file:<\/p>\n<p>    lines = file.readlines()<\/p>\n<p>for line in lines:<\/p>\n<p>    if line.strip() != &quot;skip&quot;:<\/p>\n<p>        print(line.strip())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8bfb\u53d6\u6587\u4ef6 <code>example.txt<\/code> \u7684\u5185\u5bb9\uff0c\u5e76\u4e14\u8df3\u8fc7\u5185\u5bb9\u4e3a <code>skip<\/code> \u7684\u884c\u3002<\/p>\n<\/p>\n<p><h4>2. \u5199\u5165\u6587\u4ef6\u5185\u5bb9<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">data = [&quot;apple&quot;, &quot;banana&quot;, &quot;cherry&quot;, &quot;date&quot;]<\/p>\n<p>with open(&quot;output.txt&quot;, &quot;w&quot;) as file:<\/p>\n<p>    for item in data:<\/p>\n<p>        if item != &quot;banana&quot;:<\/p>\n<p>            file.write(item + &quot;\\n&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6 <code>output.txt<\/code>\uff0c\u5e76\u4e14\u8df3\u8fc7 <code>banana<\/code>\u3002<\/p>\n<\/p>\n<p><h3>\u4e5d\u3001\u4e0d\u7b49\u53f7\u5728\u6570\u636e\u5206\u6790\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u6570\u636e\u5206\u6790\u548c\u79d1\u5b66\u8ba1\u7b97\u4e2d\uff0c\u4e0d\u7b49\u53f7\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\uff0c\u7279\u522b\u662f\u5728\u6570\u636e\u7b5b\u9009\u548c\u6761\u4ef6\u5224\u65ad\u65f6\u3002<\/p>\n<\/p>\n<p><h4>1. \u4f7f\u7528 Pandas \u8fdb\u884c\u6570\u636e\u7b5b\u9009<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<p>data = {&#39;Name&#39;: [&#39;Alice&#39;, &#39;Bob&#39;, &#39;Charlie&#39;, &#39;David&#39;],<\/p>\n<p>        &#39;Age&#39;: [25, 30, 35, 40]}<\/p>\n<p>df = pd.DataFrame(data)<\/p>\n<p>filtered_df = df[df[&#39;Age&#39;] != 30]<\/p>\n<p>print(filtered_df)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528 Pandas \u7b5b\u9009\u51fa\u5e74\u9f84\u4e0d\u7b49\u4e8e 30 \u7684\u6570\u636e\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n<p><pre><code>      Name  Age<\/p>\n<p>0    Alice   25<\/p>\n<p>2  Charlie   35<\/p>\n<p>3    David   40<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u4f7f\u7528 NumPy \u8fdb\u884c\u6761\u4ef6\u5224\u65ad<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p>array = np.array([1, 2, 3, 4, 5, 6])<\/p>\n<p>filtered_array = array[array != 4]<\/p>\n<p>print(filtered_array)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528 NumPy \u7b5b\u9009\u51fa\u4e0d\u7b49\u4e8e 4 \u7684\u5143\u7d20\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\n<p><pre><code>[1 2 3 5 6]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u5341\u3001\u4e0d\u7b49\u53f7\u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d\uff0c\u4e0d\u7b49\u53f7\u53ef\u4ee5\u7528\u4e8e\u5224\u65ad\u7f51\u7edc\u8bf7\u6c42\u7684\u72b6\u6001\u6216\u54cd\u5e94\u5185\u5bb9\uff0c\u4ece\u800c\u51b3\u5b9a\u540e\u7eed\u7684\u5904\u7406\u6b65\u9aa4\u3002<\/p>\n<\/p>\n<p><h4>1. \u5224\u65adHTTP\u54cd\u5e94\u72b6\u6001<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import requests<\/p>\n<p>response = requests.get(&quot;https:\/\/api.example.com\/data&quot;)<\/p>\n<p>if response.status_code != 200:<\/p>\n<p>    print(&quot;\u8bf7\u6c42\u5931\u8d25\uff0c\u72b6\u6001\u7801:&quot;, response.status_code)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u8bf7\u6c42\u6210\u529f\uff0c\u6570\u636e:&quot;, response.json())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5224\u65adHTTP\u8bf7\u6c42\u7684\u72b6\u6001\u7801\uff0c\u5982\u679c\u4e0d\u7b49\u4e8e200\uff0c\u5219\u8868\u793a\u8bf7\u6c42\u5931\u8d25\u3002<\/p>\n<\/p>\n<p><h4>2. \u5224\u65ad\u54cd\u5e94\u5185\u5bb9<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">response = requests.get(&quot;https:\/\/api.example.com\/data&quot;)<\/p>\n<p>data = response.json()<\/p>\n<p>if data.get(&quot;error&quot;) != None:<\/p>\n<p>    print(&quot;\u8bf7\u6c42\u51fa\u9519:&quot;, data[&quot;error&quot;])<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u8bf7\u6c42\u6210\u529f\uff0c\u6570\u636e:&quot;, data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u901a\u8fc7\u5224\u65ad\u54cd\u5e94\u5185\u5bb9\u4e2d\u7684 <code>error<\/code> \u5b57\u6bb5\uff0c\u51b3\u5b9a\u662f\u5426\u5b58\u5728\u9519\u8bef\u3002<\/p>\n<\/p>\n<p><h3>\u5341\u4e00\u3001\u4e0d\u7b49\u53f7\u5728\u6d4b\u8bd5\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u8f6f\u4ef6\u6d4b\u8bd5\u4e2d\uff0c\u4e0d\u7b49\u53f7\u7528\u4e8e\u6bd4\u8f83\u9884\u671f\u7ed3\u679c\u548c\u5b9e\u9645\u7ed3\u679c\uff0c\u5224\u65ad\u6d4b\u8bd5\u662f\u5426\u901a\u8fc7\u3002<\/p>\n<\/p>\n<p><h4>1. \u5355\u5143\u6d4b\u8bd5<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import unittest<\/p>\n<p>class TestMath(unittest.TestCase):<\/p>\n<p>    def test_addition(self):<\/p>\n<p>        result = 1 + 1<\/p>\n<p>        self.assertNotEqual(result, 3, &quot;\u7ed3\u679c\u4e0d\u5e94\u8be5\u7b49\u4e8e 3&quot;)<\/p>\n<p>if __name__ == &#39;__main__&#39;:<\/p>\n<p>    unittest.main()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528 <code>assertNotEqual<\/code> \u65b9\u6cd5\u5224\u65ad\u52a0\u6cd5\u7ed3\u679c\u662f\u5426\u4e0d\u7b49\u4e8e3\u3002<\/p>\n<\/p>\n<p><h4>2. \u96c6\u6210\u6d4b\u8bd5<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">def add(a, b):<\/p>\n<p>    return a + b<\/p>\n<p>def test_add():<\/p>\n<p>    result = add(2, 3)<\/p>\n<p>    assert result != 6, &quot;\u7ed3\u679c\u4e0d\u5e94\u8be5\u7b49\u4e8e 6&quot;<\/p>\n<p>test_add()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u901a\u8fc7\u65ad\u8a00\u5224\u65ad\u96c6\u6210\u6d4b\u8bd5\u7684\u7ed3\u679c\u662f\u5426\u4e0d\u7b49\u4e8e6\u3002<\/p>\n<\/p>\n<p><h3>\u5341\u4e8c\u3001\u4e0d\u7b49\u53f7\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\uff0c\u4e0d\u7b49\u53f7\u7528\u4e8e\u5224\u65ad\u6e38\u620f\u72b6\u6001\u3001\u73a9\u5bb6\u8f93\u5165\u7b49\uff0c\u4ece\u800c\u63a7\u5236\u6e38\u620f\u903b\u8f91\u3002<\/p>\n<\/p>\n<p><h4>1. \u5224\u65ad\u73a9\u5bb6\u8f93\u5165<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">player_input = &quot;jump&quot;<\/p>\n<p>if player_input != &quot;quit&quot;:<\/p>\n<p>    print(&quot;\u7ee7\u7eed\u6e38\u620f&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u9000\u51fa\u6e38\u620f&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5224\u65ad\u73a9\u5bb6\u8f93\u5165\u662f\u5426\u4e3a <code>quit<\/code>\uff0c\u4ece\u800c\u51b3\u5b9a\u662f\u5426\u7ee7\u7eed\u6e38\u620f\u3002<\/p>\n<\/p>\n<p><h4>2. \u5224\u65ad\u6e38\u620f\u72b6\u6001<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">game_over = False<\/p>\n<p>while game_over != True:<\/p>\n<p>    # \u6e38\u620f\u903b\u8f91<\/p>\n<p>    print(&quot;\u6e38\u620f\u8fdb\u884c\u4e2d&quot;)<\/p>\n<p>    # \u5047\u8bbe\u67d0\u4e2a\u6761\u4ef6\u5bfc\u81f4\u6e38\u620f\u7ed3\u675f<\/p>\n<p>    game_over = True<\/p>\n<p>print(&quot;\u6e38\u620f\u7ed3\u675f&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e0d\u7b49\u53f7\u5224\u65ad\u6e38\u620f\u662f\u5426\u7ed3\u675f\u3002<\/p>\n<\/p>\n<p><h3>\u5341\u4e09\u3001\u4e0d\u7b49\u53f7\u5728<a href=\"https:\/\/docs.pingcode.com\/ask\/59192.html\" target=\"_blank\">\u673a\u5668\u5b66\u4e60<\/a>\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u673a\u5668\u5b66\u4e60\u4e2d\uff0c\u4e0d\u7b49\u53f7\u7528\u4e8e\u6570\u636e\u9884\u5904\u7406\u3001\u6a21\u578b\u8bc4\u4f30\u7b49\u3002<\/p>\n<\/p>\n<p><h4>1. \u6570\u636e\u9884\u5904\u7406<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p>data = np.array([1, 2, 3, 4, 5, 6, np.nan, 8])<\/p>\n<p>cleaned_data = data[~np.isnan(data)]<\/p>\n<p>print(cleaned_data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e0d\u7b49\u53f7\u8fc7\u6ee4\u6389\u6570\u636e\u4e2d\u7684 <code>NaN<\/code> \u503c\u3002<\/p>\n<\/p>\n<p><h4>2. \u6a21\u578b\u8bc4\u4f30<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">from sklearn.metrics import accuracy_score<\/p>\n<p>y_true = [0, 1, 1, 0, 1]<\/p>\n<p>y_pred = [0, 0, 1, 0, 1]<\/p>\n<p>accuracy = accuracy_score(y_true, y_pred)<\/p>\n<p>if accuracy != 1:<\/p>\n<p>    print(&quot;\u6a21\u578b\u51c6\u786e\u7387\u4e0d\u4e3a 100%&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u6a21\u578b\u51c6\u786e\u7387\u4e3a 100%&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8bc4\u4f30\u6a21\u578b\u7684\u51c6\u786e\u7387\uff0c\u5e76\u5224\u65ad\u5176\u662f\u5426\u4e3a100%\u3002<\/p>\n<\/p>\n<p><h3>\u5341\u56db\u3001\u4e0d\u7b49\u53f7\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\uff0c\u4e0d\u7b49\u53f7\u7528\u4e8e\u67e5\u8be2\u3001\u66f4\u65b0\u6570\u636e\u7b49\u3002<\/p>\n<\/p>\n<p><h4>1. \u67e5\u8be2\u6570\u636e<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import sqlite3<\/p>\n<p>conn = sqlite3.connect(&#39;example.db&#39;)<\/p>\n<p>cursor = conn.cursor()<\/p>\n<p>cursor.execute(&quot;SELECT * FROM users WHERE age != 30&quot;)<\/p>\n<p>rows = cursor.fetchall()<\/p>\n<p>for row in rows:<\/p>\n<p>    print(row)<\/p>\n<p>conn.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u67e5\u8be2\u5e74\u9f84\u4e0d\u7b49\u4e8e30\u7684\u7528\u6237\u3002<\/p>\n<\/p>\n<p><h4>2. \u66f4\u65b0\u6570\u636e<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">conn = sqlite3.connect(&#39;example.db&#39;)<\/p>\n<p>cursor = conn.cursor()<\/p>\n<p>cursor.execute(&quot;UPDATE users SET age = 31 WHERE age != 30&quot;)<\/p>\n<p>conn.commit()<\/p>\n<p>conn.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u66f4\u65b0\u5e74\u9f84\u4e0d\u7b49\u4e8e30\u7684\u7528\u6237\u7684\u5e74\u9f84\u3002<\/p>\n<\/p>\n<p><h3>\u5341\u4e94\u3001\u4e0d\u7b49\u53f7\u5728\u5b89\u5168\u6027\u68c0\u67e5\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u5b89\u5168\u6027\u68c0\u67e5\u4e2d\uff0c\u4e0d\u7b49\u53f7\u7528\u4e8e\u9a8c\u8bc1\u8f93\u5165\u3001\u68c0\u67e5\u6743\u9650\u7b49\u3002<\/p>\n<\/p>\n<p><h4>1. \u9a8c\u8bc1\u7528\u6237\u8f93\u5165<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">username = input(&quot;\u8bf7\u8f93\u5165\u7528\u6237\u540d: &quot;)<\/p>\n<p>if username != &quot;admin&quot;:<\/p>\n<p>    print(&quot;\u65e0\u6743\u8bbf\u95ee&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u6b22\u8fce\u7ba1\u7406\u5458&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u7684\u7528\u6237\u540d\u662f\u5426\u4e3a <code>admin<\/code>\u3002<\/p>\n<\/p>\n<p><h4>2. \u68c0\u67e5\u6743\u9650<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">user_role = &quot;guest&quot;<\/p>\n<p>if user_role != &quot;admin&quot;:<\/p>\n<p>    print(&quot;\u65e0\u6743\u9650\u6267\u884c\u6b64\u64cd\u4f5c&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u64cd\u4f5c\u6210\u529f&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u68c0\u67e5\u7528\u6237\u89d2\u8272\u662f\u5426\u4e3a <code>admin<\/code>\u3002<\/p>\n<\/p>\n<p><h3>\u5341\u516d\u3001\u4e0d\u7b49\u53f7\u5728\u65f6\u95f4\u548c\u65e5\u671f\u5904\u7406\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u5904\u7406\u65f6\u95f4\u548c\u65e5\u671f\u65f6\uff0c\u4e0d\u7b49\u53f7\u7528\u4e8e\u6bd4\u8f83\u65f6\u95f4\u3001\u8ba1\u7b97\u65f6\u95f4\u5dee\u7b49\u3002<\/p>\n<\/p>\n<p><h4>1. \u6bd4\u8f83\u65f6\u95f4<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">from datetime import datetime<\/p>\n<p>time1 = datetime(2023, 1, 1, 10, 0, 0)<\/p>\n<p>time2 = datetime(2023, 1, 1, 12, 0, 0)<\/p>\n<p>if time1 != time2:<\/p>\n<p>    print(&quot;\u65f6\u95f4\u4e0d\u76f8\u7b49&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u65f6\u95f4\u76f8\u7b49&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6bd4\u8f83\u4e24\u4e2a\u65f6\u95f4\u662f\u5426\u76f8\u7b49\u3002<\/p>\n<\/p>\n<p><h4>2. \u8ba1\u7b97\u65f6\u95f4\u5dee<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">from datetime import datetime<\/p>\n<p>time1 = datetime(2023, 1, 1, 10, 0, 0)<\/p>\n<p>time2 = datetime(2023, 1, 1, 12, 0, 0)<\/p>\n<p>time_diff = time2 - time1<\/p>\n<p>if time_diff.seconds != 0:<\/p>\n<p>    print(&quot;\u65f6\u95f4\u5dee:&quot;, time_diff)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u6ca1\u6709\u65f6\u95f4\u5dee&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u8ba1\u7b97\u4e24\u4e2a\u65f6\u95f4\u7684\u5dee\u503c\uff0c\u5e76\u5224\u65ad\u5176\u662f\u5426\u4e0d\u7b49\u4e8e0\u3002<\/p>\n<\/p>\n<p><h3>\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u5728Python\u7f16\u7a0b\u4e2d\uff0c\u4e0d\u7b49\u53f7\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\uff0c\u5b83\u5728\u5404\u79cd\u573a\u666f\u4e2d\u90fd\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4ece\u6761\u4ef6\u5224\u65ad\u3001\u5faa\u73af\u63a7\u5236\u3001\u6570\u636e\u8fc7\u6ee4\u3001\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u3001\u9519\u8bef\u5904\u7406\u3001\u6587\u4ef6\u64cd\u4f5c\u3001\u6570\u636e<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>Python\u4e2d\u7684\u4e0d\u7b49\u53f7\u5982\u4f55\u8868\u793a\uff1f<\/strong><br \/>\u5728Python\u7f16\u7a0b\u4e2d\uff0c\u4e0d\u7b49\u53f7\u4e3b\u8981\u901a\u8fc7\u4f7f\u7528\u201c!=\u201d\u7b26\u53f7\u6765\u8868\u793a\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u4e24\u4e2a\u503c\u4e0d\u76f8\u7b49\uff0c\u8868\u8fbe\u5f0f\u5c06\u8fd4\u56deTrue\uff0c\u800c\u5982\u679c\u76f8\u7b49\uff0c\u8fd4\u56deFalse\u3002\u4f8b\u5982\uff0c<code>if a != b:<\/code> \u8868\u793a\u5982\u679ca\u4e0d\u7b49\u4e8eb\uff0c\u5219\u6267\u884c\u76f8\u5e94\u7684\u4ee3\u7801\u5757\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u5176\u4ed6\u65b9\u5f0f\u8fdb\u884c\u4e0d\u7b49\u6bd4\u8f83\uff1f<\/strong><br \/>\u9664\u4e86\u4f7f\u7528\u201c!=\u201d\u8fdb\u884c\u4e0d\u7b49\u6bd4\u8f83\u5916\uff0cPython\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u6bd4\u8f83\u64cd\u4f5c\u7b26\uff0c\u5982\u201c&lt;&gt;\u201d\uff0c\u4e0d\u8fc7\u8fd9\u79cd\u7528\u6cd5\u5728Python 3\u4e2d\u5df2\u88ab\u79fb\u9664\u3002\u56e0\u6b64\uff0c\u5efa\u8bae\u53ea\u4f7f\u7528\u201c!=\u201d\u6765\u8fdb\u884c\u4e0d\u7b49\u6bd4\u8f83\u3002\u6b64\u5916\uff0c\u4f60\u8fd8\u53ef\u4ee5\u7ed3\u5408\u903b\u8f91\u8fd0\u7b97\u7b26\uff0c\u4f8b\u5982\u4f7f\u7528\u201cand\u201d\u548c\u201cor\u201d\u6765\u521b\u5efa\u66f4\u590d\u6742\u7684\u6761\u4ef6\u5224\u65ad\u3002<\/p>\n<p><strong>\u4e0d\u7b49\u53f7\u5728\u6761\u4ef6\u8bed\u53e5\u4e2d\u5982\u4f55\u6709\u6548\u8fd0\u7528\uff1f<\/strong><br \/>\u5728\u7f16\u7a0b\u8fc7\u7a0b\u4e2d\uff0c\u5408\u7406\u4f7f\u7528\u4e0d\u7b49\u53f7\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u73b0\u6761\u4ef6\u63a7\u5236\u3002\u6bd4\u5982\u5728\u5faa\u73af\u4e2d\uff0c\u5f53\u4f60\u9700\u8981\u68c0\u67e5\u67d0\u4e2a\u53d8\u91cf\u662f\u5426\u8fbe\u5230\u7279\u5b9a\u503c\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0d\u7b49\u53f7\u6765\u63a7\u5236\u5faa\u73af\u7684\u7ed3\u675f\u6761\u4ef6\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u786e\u4fdd\u7a0b\u5e8f\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u6267\u884c\u4e0d\u540c\u7684\u903b\u8f91\uff0c\u63d0\u5347\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u4e0d\u7b49\u53f7\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8868\u793a\uff1a\u4f7f\u7528!=\u8868\u793a\u4e0d\u7b49\u4e8e\u3001\u4f7f\u7528&lt;\u8868\u793a\u5c0f\u4e8e\u3001\u4f7f\u7528&gt;\u8868\u793a\u5927\u4e8e\u3001 [&hellip;]","protected":false},"author":3,"featured_media":1173271,"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\/1173265"}],"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=1173265"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1173265\/revisions"}],"predecessor-version":[{"id":1173273,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1173265\/revisions\/1173273"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1173271"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1173265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1173265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1173265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}