擅长:python、mysql、java
<pre><code>def filter_sample(sample):
filtered_sample = []
for s1, s2 in sample:
pairs = {pair for pair in zip(s1, s2)}
if len(pairs) <= 2:
filtered_sample.append([s1, s2])
return filtered_sample
</code></pre>
<p>运行这个</p>
<pre><code>sample = [["CGCG","ATAT"],["CGCG","CATC"],["ATAT","TATA"]]
filter_sample(sample)
</code></pre>
<p>返回此</p>
<pre><code>[['CGCG', 'ATAT'], ['ATAT', 'TATA']]
</code></pre>