擅长:python、mysql、java
<p>这样的事情应该行得通。创建一个包含所有长度的列表,然后对该列表应用适当的统计函数。在</p>
<pre><code>import numpy as np
import statistics
lengths = [x['length'] for x in n]
mean_length = np.mean(lengths)
median_length = np.median(lengths)
mode_length = statistics.mode(lengths)
</code></pre>