擅长:python、mysql、java
<p>使用itertools的组合将得到您想要的结果。你知道吗</p>
<pre><code>from itertools import combinations
for tup in combinations(words, 2):
print(tup)
('This', 'is')
('This', 'an')
('This', 'example')
('This', 'sentence')
('is', 'an')
('is', 'example')
('is', 'sentence')
('an', 'example')
('an', 'sentence')
('example', 'sentence')
</code></pre>