擅长:python、mysql、java
<p>输入字符串是不可变的,但将其转换为列表,您可以对其进行编辑:</p>
<pre><code>>>> word = list(input()) # Read in a word
abcdefghijklmnop
>>> del word[::3] # delete every third character
>>> ''.join(word) # join the characters together for the result
'bcefhiklno'
</code></pre>
<p>从不同的字符开始:</p>
^{pr2}$