擅长:python、mysql、java
<p>你也可以去老派。。。你知道吗</p>
<pre class="lang-py prettyprint-override"><code>text = 'velvet evening purse bags'
n = []
ans = []
for i in text.split():
for j in text.split():
if j != i:
if (i, j) not in n:
ans.append((i, j))
n.append((i, j))
n.append((j, i))
</code></pre>
<p>输出</p>
<pre><code>[('velvet', 'evening'),
('velvet', 'purse'),
('velvet', 'bags'),
('evening', 'purse'),
('evening', 'bags'),
('purse', 'bags')]
</code></pre>