擅长:python、mysql、java
<p>我认为这应该做你想要的(你必须首先安装熊猫):</p>
<pre><code>import pandas
beers = [
{'beer/beerId': '789', 'beer/ABV': 5.0, 'beer/name': 'Sausa Weizen'},
{'beer/beerId': '789', 'beer/ABV': 4.0, 'beer/name': 'Sausa Weizen'},
{'beer/beerId': '789', 'beer/ABV': 3.0, 'beer/name': 'Sausa Weizen'},
{'beer/beerId': '123', 'beer/ABV': 1.0, 'beer/name': 'Bud Light'},
{'beer/beerId': '123', 'beer/ABV': 2.0, 'beer/name': 'Bud Light'}
]
df = pandas.DataFrame(beers)
df.groupby(['beer/beerId']).mean()
</code></pre>