擅长:python、mysql、java
<p>您可以使用pandas DataFrame来实现这一点。在</p>
<pre><code>import pandas as pd
df = pd.read_csv('filename.csv')
total_sum = df[df['YouTubeID'] == 'RH5Ta6iHhCQ'].rating.sum()
n_rating = len(df[df['YouTubeID'] == 'RH5Ta6iHhCQ'].rating)
average = total_sum/n_rating
</code></pre>