擅长:python、mysql、java
<p>用<code>groupby</code>和{<cd2>}怎么样?e、 g<code>df.groupby(['Fruit'])['Count'].sum()</code></p>
<pre><code>import pandas as pd
df = pd.DataFrame([["Apple", 10], ["Pear", 20], ["Apple", 5], ["Banana", 7], ["Banana", 12], ["Pear", 8], ["Apple", 10]], columns=["Fruit", "Count"])
df = df.groupby(['Fruit'])['Count'].sum()
print(df)
</code></pre>
<p><strong>输出:</strong></p>
^{pr2}$