擅长:python、mysql、java
<p>您可以将<code>sentences</code>的所有长度存储在<a href="https://docs.python.org/3/tutorial/datastructures.html" rel="nofollow noreferrer">^{<cd2>}</a>中,然后将它们相加</p>
<pre><code>tcr = corpus1()
rcr = corpus2()
mcr = corpus3()
sample_size=50
lengths = []
for sentence in tcr.sample_raw_sents(sample_size):
lengths.append(len(sentence))
for sentence in rcr.sample_raw_sents(sample_size):
lengths.append(len(sentence))
for sentence in mcr.sample_raw_sents(sample_size):
lengths.append(len(sentence))
print(sum(lengths) / len(lengths))
</code></pre>