擅长:python、mysql、java
<p>如果要<em>写入文件</em>,这将起作用:</p>
<pre><code>for destination, sub_df in data.groupby('ARR')
with open(f'dataframe_{destination}.csv') as f:
sub_df.to_csv(f)
</code></pre>
<p>如果您只想将组放在单个变量中,如<code>dict</code>:</p>
<pre><code>df_by_destination = {destination: sub_df for destination, sub_df in data.groupby('ARR')}
</code></pre>