擅长:python、mysql、java
<p>这个函数可以简化很多:</p>
<pre><code>def tail(filename, number_lines):
with open(filename, 'r') as file:
with open('output.txt', 'w') as output:
reversed_lines = file.readlines()[::-1]
output.write('\n'.join([line.strip() for line in reversed_lines]))
return reversed_lines[:number_lines-1]
</code></pre>