擅长:python、mysql、java
<p><strong>已使用:</strong></p>
<ol>
<li>列表理解</li>
</ol>
<blockquote>
<p>List comprehensions provide a concise way to create lists. Common
applications are to make new lists where each element is the result of
some operations applied to each member of another sequence or
iterable, or to create a subsequence of those elements that satisfy a
certain condition.</p>
</blockquote>
<ol>
<li>F=字符串</li>
</ol>
<blockquote>
<p>F-strings provide a way to embed expressions inside string literals,
using a minimal syntax. It should be noted that an f-string is really
an expression evaluated at run time, not a constant value. In Python
source code, an f-string is a literal string, prefixed with 'f', which
contains expressions inside braces. The expressions are replaced with
their values.</p>
</blockquote>
<pre><code>lst = ["/foo/dir/c-.*.txt","/foo/dir2/d-.*.svc","/foo/dir3/es-.*.info"]
prefix = '/root'
lst =[ f'{prefix}{path}' for path in lst]
print(lst)
</code></pre>