擅长:python、mysql、java
<p>你可以尝试一些基本的东西,比如</p>
<pre><code>L_1 = len(seq_1)
L_2 = len(seq_2)
L_3 = len(seq_3)
junctions = [2, 9, 15, 20]
c_1, c_2, c_3 = (0, 0, 0)
for j in junctions:
if j < L_1:
c_1 += 1
elif j < L_1 + L_2:
c_2 += 1
elif j < L_1 + L_2 + L_3:
c_3 += 1
else:
Raise error
</code></pre>