擅长:python、mysql、java
<p>用<code>series.map</code>试试<code>pd.concat</code>:</p>
<pre><code>>>> pd.concat([
df,
pd.DataFrame.from_records(
df.astype(str)
.starters
.map(dct)
.values
).set_index(df.index)
], axis=1)
starters team player_id full_name
roster_id
Bob 3086 NE 3086 tombrady
Bob 1234 SEA 1234 RussellWilson
Cam 6130 BUF 6130 DevinSingletary
</code></pre>