擅长:python、mysql、java
<p>你可以<a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.str.slice.html" rel="nofollow noreferrer">^{<cd1>}</a></p>
<pre><code>t.str.slice(stop=-3)
# short hand for this is t.str[:-3]
0 blue
1 yellow
2 grey
3 red
4 orange
dtype: object
</code></pre>
<p>或者使用<a href="https://docs.python.org/3/library/functions.html#iter" rel="nofollow noreferrer">^{<cd3>}</a>将<code>numData</code>强制转换为<em>迭代器</em>,并使用<a href="https://docs.python.org/3/library/functions.html#slice" rel="nofollow noreferrer">^{<cd4>}</a></p>
<pre><code>it = iter(numData)
t.map(lambda x:x[slice(next(it))])
0 blue
1 yellow
2 grey
3 red
4 orange
dtype: object
</code></pre>