擅长:python、mysql、java
<p>你可以试试这个:</p>
<pre><code>f = [map(int, i.strip('\n').split()) for i in open('thefile.txt')]
new_f = [i[:-1] for i in f]
new_f = [i[:-1]+[i[-1]*10] for i in new_f]
new_file = open('final_file.txt', 'a')
for i in new_f:
new_file.write(' '.join(map(str, i))+"\n")
new_file.close()
</code></pre>