擅长:python、mysql、java
<p>你确实需要<a href="http://docs.python.org/reference/lexical_analysis.html" rel="nofollow">escape your backslash</a>。为了好玩,这里有一个简单的解决方案:
<code>open("chp1seqs.txt","w").writelines(filter(lambda line: "c:\\users" in line, open("C:/allCHP1seq.txt","r").readlines()))</code></p>