擅长:python、mysql、java
<p>迟答,但您可以使用:</p>
<pre><code>df = df.groupby(['Cust_num'], as_index=False).agg(','.join).drop(columns=['Rev']).set_index(['Item']).rename_axis("combo").rename(columns={"Cust_num": "Count"})
df['Count'] = df['Count'].str.replace(r'Cust','')
</code></pre>
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^{pr2}$