擅长:python、mysql、java
<p>您可以尝试以下方法:</p>
<pre><code>import pandas as pd
df1 = pd.read_csv(fileName, sep=",")
df2 = df1["hobby"].str.get_dummies("/")
df = pd.concat([df1, df2], axis = 1)
print(df)
</code></pre>
<p><strong>输出:</strong></p>
<pre><code> personID hobby baseball reading soccer
0 x1234 baseball/soccer 1 0 1
1 y1234 reading/baseball 1 1 0
2 z1234 NaN 0 0 0
3 a1234 soccer 0 0 1
</code></pre>