擅长:python、mysql、java
<p>使用标准库中的<a href="https://docs.python.org/2/library/re.html#re.findall" rel="nofollow">^{<cd1>}</a>函数和<a href="https://docs.python.org/3.3/library/collections.html#collections.Counter" rel="nofollow">^{<cd2>}</a></p>
<pre><code>import re
from collections import Counter
pat = re.compile(r"(TAA|TGA|TAG)")
c = re.findall(pat,my_file_m)
print(c)
print(Counter(c))
</code></pre>
<p>输出</p>
^{pr2}$