擅长:python、mysql、java
<p>您应该使用字符串的<a href="https://docs.python.org/3/library/stdtypes.html#str.replace" rel="nofollow noreferrer">^{<cd1>}</a>方法,如下所示:</p>
<pre class="lang-py prettyprint-override"><code>for replacement in replacements:
location = location.replace('#', replacement, 1)
</code></pre>
<p>必须使用第三个参数<code>count</code>,以便只替换一次占位符。否则,每次找到占位符时它都会被替换</p>