擅长:python、mysql、java
<p>试试这个:</p>
<pre><code>a="srting=123d*gss6agn"
a.split("=")[0]+"="
</code></pre>
<p>或者这个:</p>
<pre><code>a="srting=123d*gss6agn"
a[:a.index("=")+1]
</code></pre>
<p>打开文件:</p>
<pre><code>with open("path/to/your/file.txt","r") as f:
a=f.read() # and then use an option above
</code></pre>