擅长:python、mysql、java
<p>您可以使用open as read,然后使用write。假设原始文件保存为old.txt,更新后的文件将保存为new.txt</p>
<pre><code>text = ''
with open("old.txt", 'r') as org:
next(org)
for line in org:
data = line.strip().split()
if data[1].startswith("K0"):
text = text + data[0] + " "+ data[1] + '\n'
w = open('new.txt', 'w')
w.write("query_name"+" "+ "KEGG_KOs\n")
w.write(text)
w.close()
</code></pre>