擅长:python、mysql、java
<p>在python中,您可以枚举该文件,这将为您提供行号和行的值。将该行的值附加到一个列表中,当您是4的倍数时,写下该行。在</p>
<pre><code>with open('users.txt', 'rb') as infile, with open('output.txt', 'wb') as outfile:
output = []
for i, line in enumerate(data):
output.append(line)
if (i + 1) % 4 == 0:
outline = " ".join(output)
outfile.write(outline)
outfile.write(os.linesep)
output = []
</code></pre>