{"id":1187084,"date":"2025-01-15T20:00:57","date_gmt":"2025-01-15T12:00:57","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1187084.html"},"modified":"2025-01-15T20:01:00","modified_gmt":"2025-01-15T12:01:00","slug":"python%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e6%8c%89%e8%a7%84%e5%be%8b%e4%bf%ae%e6%94%b9","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1187084.html","title":{"rendered":"python\u5982\u4f55\u5b9e\u73b0\u6309\u89c4\u5f8b\u4fee\u6539"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25135729\/8413bf22-3855-4e4d-b506-8b3f77550804.webp\" alt=\"python\u5982\u4f55\u5b9e\u73b0\u6309\u89c4\u5f8b\u4fee\u6539\" \/><\/p>\n<p><p> Python\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5141\u8bb8\u4f60\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\u6309\u89c4\u5f8b\u4fee\u6539\u6570\u636e\u3002<strong>\u4f60\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u3001\u5217\u8868\u63a8\u5bfc\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u3002<\/strong>\u5176\u4e2d\uff0c\u4f7f\u7528\u5faa\u73af\u662f\u4e00\u79cd\u6700\u5e38\u89c1\u4e14\u6613\u4e8e\u7406\u89e3\u7684\u65b9\u5f0f\uff0c\u9002\u5408\u521d\u5b66\u8005\u548c\u590d\u6742\u4efb\u52a1\u3002<\/p>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u8981\u5bf9\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u6309\u7167\u67d0\u79cd\u89c4\u5f8b\u8fdb\u884c\u4fee\u6539\uff0c\u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u6765\u904d\u5386\u5217\u8868\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">numbers = [1, 2, 3, 4, 5]<\/p>\n<p>for i in range(len(numbers)):<\/p>\n<p>    numbers[i] = numbers[i] * 2<\/p>\n<p>print(numbers)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528for\u5faa\u73af\u904d\u5386\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5176\u503c\u4e58\u4ee52\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a[2, 4, 6, 8, 10]\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u5faa\u73af<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u5faa\u73af\u53ef\u4ee5\u5bf9\u6570\u636e\u8fdb\u884c\u7075\u6d3b\u7684\u64cd\u4f5c\u3002Python\u4e2d\u7684for\u5faa\u73af\u548cwhile\u5faa\u73af\u90fd\u80fd\u5b9e\u73b0\u6309\u89c4\u5f8b\u4fee\u6539\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h4>1\u3001for\u5faa\u73af<\/h4>\n<\/p>\n<p><p>for\u5faa\u73af\u662f\u4e00\u79cd\u904d\u5386\u5e8f\u5217\u7684\u5faa\u73af\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u5217\u8868\u3001\u5143\u7ec4\u3001\u5b57\u7b26\u4e32\u7b49\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">numbers = [1, 2, 3, 4, 5]<\/p>\n<p>for i in range(len(numbers)):<\/p>\n<p>    numbers[i] = numbers[i]  2<\/p>\n<p>print(numbers)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528for\u5faa\u73af\u904d\u5386\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5176\u503c\u5e73\u65b9\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a[1, 4, 9, 16, 25]\u3002<\/p>\n<\/p>\n<p><h4>2\u3001while\u5faa\u73af<\/h4>\n<\/p>\n<p><p>while\u5faa\u73af\u662f\u4e00\u79cd\u57fa\u4e8e\u6761\u4ef6\u7684\u5faa\u73af\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u9700\u8981\u53cd\u590d\u6267\u884c\u67d0\u4e2a\u64cd\u4f5c\u76f4\u5230\u6761\u4ef6\u4e0d\u518d\u6ee1\u8db3\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">numbers = [1, 2, 3, 4, 5]<\/p>\n<p>i = 0<\/p>\n<p>while i &lt; len(numbers):<\/p>\n<p>    numbers[i] = numbers[i] + 3<\/p>\n<p>    i += 1<\/p>\n<p>print(numbers)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528while\u5faa\u73af\u904d\u5386\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5176\u503c\u52a03\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a[4, 5, 6, 7, 8]\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u5217\u8868\u63a8\u5bfc<\/h3>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u6784\u5efa\u5217\u8868\u7684\u65b9\u5f0f\uff0c\u80fd\u591f\u5728\u4e00\u884c\u4ee3\u7801\u4e2d\u5b8c\u6210\u590d\u6742\u7684\u5217\u8868\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">numbers = [1, 2, 3, 4, 5]<\/p>\n<p>numbers = [x * 3 for x in numbers]<\/p>\n<p>print(numbers)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u904d\u5386\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5176\u503c\u4e58\u4ee53\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a[3, 6, 9, 12, 15]\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u5b57\u7b26\u4e32\u64cd\u4f5c<\/h3>\n<\/p>\n<p><p>\u5b57\u7b26\u4e32\u64cd\u4f5c\u53ef\u4ee5\u7528\u4e8e\u5bf9\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u6309\u89c4\u5f8b\u8fdb\u884c\u4fee\u6539\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ecreplace\u3001split\u3001join\u7b49\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">text = &quot;hello world&quot;<\/p>\n<p>modified_text = text.replace(&quot;o&quot;, &quot;0&quot;)<\/p>\n<p>print(modified_text)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528replace\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u201co\u201d\u66ff\u6362\u4e3a\u201c0\u201d\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a\u201chell0 w0rld\u201d\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5b57\u7b26\u4e32\u5339\u914d\u548c\u66ff\u6362\u5de5\u5177\uff0c\u80fd\u591f\u5b9e\u73b0\u590d\u6742\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>text = &quot;The r<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n in Spain&quot;<\/p>\n<p>modified_text = re.sub(r&#39;\\b\\w{4}\\b&#39;, &#39;&lt;strong&gt;&lt;\/strong&gt;&#39;, text)<\/p>\n<p>print(modified_text)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u957f\u5ea6\u4e3a4\u7684\u5355\u8bcd\uff0c\u5e76\u5c06\u5176\u66ff\u6362\u4e3a\u201c<strong><\/strong>\u201d\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a\u201cThe <strong><\/strong> in <strong><\/strong>\u201d\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u5b57\u5178\u64cd\u4f5c<\/h3>\n<\/p>\n<p><p>\u5b57\u5178\u662f\u4e00\u79cd\u952e\u503c\u5bf9\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u901a\u8fc7\u952e\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u503c\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ecupdate\u3001get\u3001pop\u7b49\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">data = {&#39;a&#39;: 1, &#39;b&#39;: 2, &#39;c&#39;: 3}<\/p>\n<p>for key in data:<\/p>\n<p>    data[key] += 5<\/p>\n<p>print(data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528for\u5faa\u73af\u904d\u5386\u5b57\u5178\u4e2d\u7684\u6bcf\u4e2a\u952e\uff0c\u5e76\u5c06\u5176\u5bf9\u5e94\u7684\u503c\u52a05\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a{&#39;a&#39;: 6, &#39;b&#39;: 7, &#39;c&#39;: 8}\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u51fd\u6570\u5c01\u88c5<\/h3>\n<\/p>\n<p><p>\u5c06\u6309\u89c4\u5f8b\u4fee\u6539\u6570\u636e\u7684\u64cd\u4f5c\u5c01\u88c5\u6210\u51fd\u6570\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def modify_list(lst, operation):<\/p>\n<p>    return [operation(x) for x in lst]<\/p>\n<p>numbers = [1, 2, 3, 4, 5]<\/p>\n<p>new_numbers = modify_list(numbers, lambda x: x * 2)<\/p>\n<p>print(new_numbers)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3amodify_list\u7684\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u5217\u8868\u548c\u4e00\u4e2a\u64cd\u4f5c\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4fee\u6539\u540e\u7684\u5217\u8868\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a[2, 4, 6, 8, 10]\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u7c7b\u548c\u5bf9\u8c61<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u601d\u60f3\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u53ca\u5176\u64cd\u4f5c\u5c01\u88c5\u5230\u7c7b\u4e2d\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class DataModifier:<\/p>\n<p>    def __init__(self, data):<\/p>\n<p>        self.data = data<\/p>\n<p>    def modify(self, operation):<\/p>\n<p>        self.data = [operation(x) for x in self.data]<\/p>\n<p>numbers = [1, 2, 3, 4, 5]<\/p>\n<p>modifier = DataModifier(numbers)<\/p>\n<p>modifier.modify(lambda x: x + 10)<\/p>\n<p>print(modifier.data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aDataModifier\u7684\u7c7b\uff0c\u8be5\u7c7b\u5305\u542b\u4e00\u4e2amodify\u65b9\u6cd5\uff0c\u7528\u4e8e\u5bf9\u6570\u636e\u8fdb\u884c\u6309\u89c4\u5f8b\u4fee\u6539\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a[11, 12, 13, 14, 15]\u3002<\/p>\n<\/p>\n<p><h3>\u516b\u3001Pandas\u5e93<\/h3>\n<\/p>\n<p><p>Pandas\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5206\u6790\u5e93\uff0c\u9002\u7528\u4e8e\u5904\u7406\u548c\u5206\u6790\u7ed3\u6784\u5316\u6570\u636e\u3002\u53ef\u4ee5\u4f7f\u7528Pandas\u5bf9\u6570\u636e\u8fdb\u884c\u6309\u89c4\u5f8b\u4fee\u6539\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<p>data = {&#39;A&#39;: [1, 2, 3], &#39;B&#39;: [4, 5, 6]}<\/p>\n<p>df = pd.DataFrame(data)<\/p>\n<p>df[&#39;A&#39;] = df[&#39;A&#39;] * 2<\/p>\n<p>print(df)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528Pandas\u5e93\u521b\u5efa\u4e86\u4e00\u4e2aDataFrame\uff0c\u5e76\u5bf9\u5217\u201cA\u201d\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u4e58\u4ee52\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a<\/p>\n<\/p>\n<p><pre><code>   A  B<\/p>\n<p>0  2  4<\/p>\n<p>1  4  5<\/p>\n<p>2  6  6<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e5d\u3001Numpy\u5e93<\/h3>\n<\/p>\n<p><p>Numpy\u662f\u4e00\u4e2a\u7528\u4e8e\u79d1\u5b66\u8ba1\u7b97\u7684\u5e93\uff0c\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6570\u7ec4\u64cd\u4f5c\u529f\u80fd\u3002\u53ef\u4ee5\u4f7f\u7528Numpy\u5bf9\u6570\u636e\u8fdb\u884c\u6309\u89c4\u5f8b\u4fee\u6539\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p>array = np.array([1, 2, 3, 4, 5])<\/p>\n<p>array = array * 3<\/p>\n<p>print(array)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528Numpy\u5e93\u521b\u5efa\u4e86\u4e00\u4e2a\u6570\u7ec4\uff0c\u5e76\u5bf9\u6bcf\u4e2a\u5143\u7d20\u4e58\u4ee53\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a[3, 6, 9, 12, 15]\u3002<\/p>\n<\/p>\n<p><h3>\u5341\u3001\u7efc\u5408\u793a\u4f8b<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u590d\u6742\u7684\u6309\u89c4\u5f8b\u4fee\u6539\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7efc\u5408\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u6309\u89c4\u5f8b\u4fee\u6539\u6570\u636e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>import pandas as pd<\/p>\n<p>import numpy as np<\/p>\n<h2><strong>\u539f\u59cb\u6570\u636e<\/strong><\/h2>\n<p>data = {&#39;A&#39;: [1, 2, 3], &#39;B&#39;: [&#39;hello&#39;, &#39;world&#39;, &#39;python&#39;]}<\/p>\n<p>df = pd.DataFrame(data)<\/p>\n<h2><strong>\u4f7f\u7528Pandas\u5bf9\u6570\u503c\u6570\u636e\u8fdb\u884c\u4fee\u6539<\/strong><\/h2>\n<p>df[&#39;A&#39;] = df[&#39;A&#39;] * 2<\/p>\n<h2><strong>\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5bf9\u5b57\u7b26\u4e32\u6570\u636e\u8fdb\u884c\u4fee\u6539<\/strong><\/h2>\n<p>df[&#39;B&#39;] = df[&#39;B&#39;].apply(lambda x: re.sub(r&#39;o&#39;, &#39;0&#39;, x))<\/p>\n<h2><strong>\u4f7f\u7528Numpy\u5bf9\u6570\u503c\u6570\u636e\u8fdb\u884c\u8fdb\u4e00\u6b65\u4fee\u6539<\/strong><\/h2>\n<p>df[&#39;A&#39;] = np.sqrt(df[&#39;A&#39;])<\/p>\n<p>print(df)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u7efc\u5408\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86Pandas\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u548cNumpy\u5e93\u5bf9\u6570\u636e\u8fdb\u884c\u4e86\u6309\u89c4\u5f8b\u4fee\u6539\u3002\u6700\u7ec8\u8f93\u51fa\u7684\u7ed3\u679c\u662f\uff1a<\/p>\n<\/p>\n<p><pre><code>          A       B<\/p>\n<p>0  1.414214  hell0<\/p>\n<p>1  2.000000  w0rld<\/p>\n<p>2  2.449490  pyth0n<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230Python\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u6765\u5b9e\u73b0\u6309\u89c4\u5f8b\u4fee\u6539\u6570\u636e\u3002\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u6570\u636e\u7c7b\u578b\uff0c\u53ef\u4ee5\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u5b8c\u6210\u4efb\u52a1\u3002\u65e0\u8bba\u662f\u7b80\u5355\u7684\u5faa\u73af\u64cd\u4f5c\uff0c\u8fd8\u662f\u4f7f\u7528\u9ad8\u7ea7\u5e93\u5982Pandas\u548cNumpy\uff0cPython\u90fd\u80fd\u63d0\u4f9b\u9ad8\u6548\u4e14\u7075\u6d3b\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\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u89c4\u5f8b\u4fee\u6539\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\uff08re\u6a21\u5757\uff09\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u89c4\u5f8b\u4fee\u6539\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u5141\u8bb8\u4f60\u5b9a\u4e49\u590d\u6742\u7684\u6a21\u5f0f\u5339\u914d\u89c4\u5219\uff0c\u6bd4\u5982\u66ff\u6362\u7279\u5b9a\u683c\u5f0f\u7684\u6587\u672c\u6216\u63d0\u53d6\u4fe1\u606f\u3002\u901a\u8fc7\u8c03\u7528<code>re.sub()<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u5feb\u901f\u5730\u6309\u7167\u6307\u5b9a\u7684\u6a21\u5f0f\u4fee\u6539\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u8981\u5c06\u6240\u6709\u7684\u6570\u5b57\u66ff\u6362\u4e3a\u661f\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528<code>re.sub(r&#39;\\d&#39;, &#39;*&#39;, original_string)<\/code>\u3002<\/p>\n<p><strong>Python\u6709\u54ea\u4e9b\u5e93\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u73b0\u6570\u636e\u7684\u89c4\u5f8b\u4fee\u6539\uff1f<\/strong><br \/>\u9664\u4e86\u6b63\u5219\u8868\u8fbe\u5f0f\uff0cPython\u4e2d\u7684Pandas\u5e93\u4e5f\u975e\u5e38\u9002\u5408\u8fdb\u884c\u6570\u636e\u7684\u89c4\u5f8b\u4fee\u6539\u3002Pandas\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u529f\u80fd\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5bf9DataFrame\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u7b5b\u9009\u3001\u4fee\u6539\u548c\u91cd\u7ec4\u3002\u6bd4\u5982\uff0c\u4f7f\u7528<code>DataFrame.apply()<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5bf9\u67d0\u4e00\u5217\u5e94\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u4ece\u800c\u5b9e\u73b0\u6279\u91cf\u4fee\u6539\u6570\u636e\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u5217\u8868\u5143\u7d20\u7684\u89c4\u5f8b\u6027\u66ff\u6362\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u5217\u8868\u5143\u7d20\u7684\u89c4\u5f8b\u6027\u66ff\u6362\u53ef\u4ee5\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u6765\u9ad8\u6548\u5b8c\u6210\u3002\u6bd4\u5982\uff0c\u5982\u679c\u4f60\u60f3\u5c06\u5217\u8868\u4e2d\u7684\u8d1f\u6570\u66ff\u6362\u4e3a\u96f6\uff0c\u53ef\u4ee5\u4f7f\u7528<code>[max(0, x) for x in my_list]<\/code>\uff0c\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u904d\u5386\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u8fd4\u56de\u4e00\u4e2a\u65b0\u5217\u8868\uff0c\u5176\u4e2d\u8d1f\u6570\u88ab\u66ff\u6362\u4e3a\u96f6\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5b9e\u73b0\u5143\u7d20\u7684\u6279\u91cf\u4fee\u6539\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5141\u8bb8\u4f60\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\u6309\u89c4\u5f8b\u4fee\u6539\u6570\u636e\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u3001\u5217\u8868\u63a8\u5bfc\u3001\u5b57 [&hellip;]","protected":false},"author":3,"featured_media":1187090,"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\/1187084"}],"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=1187084"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1187084\/revisions"}],"predecessor-version":[{"id":1187091,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1187084\/revisions\/1187091"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1187090"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1187084"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1187084"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1187084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}