擅长:python、mysql、java
<p>试试这个:</p>
<pre><code>import datetime
str(datetime.timedelta(seconds=666))
result = ''
countTime = 0
for line in open('/home/pi/gtest.txt'):
result = result + (str(datetime.timedelta(seconds=countTime)) + ":" + line) + '\n'
countTime = countTime+1
print (result)
</code></pre>
<p>然后可以将结果写入文件:</p>
<pre><code>with open('/home/pi/gtest.txt', 'w') as the_file:
the_file.write(result)
</code></pre>