擅长:python、mysql、java
<p>当然,但是你必须从你想要的部分中建立一个新的字符串:</p>
<pre><code>>>> s = "This is an Example. Thxs code is not what I'm having problems with."
>>> s[22]
'x'
>>> s[:22] + "i" + s[23:]
"This is an Example. This code is not what I'm having problems with."
</code></pre>
<p>有关这里使用的符号的信息,请参见<a href="https://stackoverflow.com/questions/509211/good-primer-for-python-slice-notation">good primer for python slice notation</a>。在</p>