擅长:python、mysql、java
<p>我得到了期望的输出:-</p>
<pre><code>fle=open("C:\Python27\projects\infile.txt")
fle2=open("C:\Python27\projects\outfile.txt",'w')
lst=fle.readlines()
for i in lst:
i=i.strip()
if i.endswith(':'):
fle2.write("\n")
fle2.write(i)
else:
fle2.write(i)
fle2.write(" ")
fle.close()
fle2.close()
</code></pre>
<p>谢谢你的帮助</p>