擅长:python、mysql、java
<p>你需要把DNA序列每三个字母分开来绘制遗传密码吗?在</p>
<p>如果是,请参阅以下代码。在</p>
<pre><code>my_file_m= '''TCCATTCTCTACCCAGCCCCCACTCTGACCCCTTTACTCTGACCCCTTTATTGTCTACTCCTCAGAGCCCCCAGTCTGTA
TCCTTCTAACTTAGAAAGGGGATTATGGCTCAGGGTCCAACTCTGTGCTCAGAGCTTTCAACAACTACTCAGAAACACAA
GATGCTGGGACAGTGACCTGGACTGTGGGCCTCTCATGCACCACCATCAAGGACTCAAATGGGCTTTCCGAATTCACTGG
AGCCTCGAATGTCCATTCCTGAGTTCTGCAAAGGGAGAGTGGTCAGGTTGCCTCTGTCTCAGAATGAGGCTGGATAAGAT'''
mm = "".join(my_file_m.split()) # delete the new line characters
messenger = map(''.join, zip(*[iter(mm)]*3)) # split every three letters
print messenger.count('TAA')
print messenger.count('TGA')
print messenger.count('TAG')
</code></pre>
<p><strong>输出</strong></p>
^{pr2}$