擅长:python、mysql、java
<p>我假设*.csv文件是</p>
<pre><code>word POS lab,Slab
abc NNP B,NO
fhj PSP O,O
bmm NNP B,NO
vbn PSP O,O
vbn NN B,NO
vbn NNPC B,NO
vbb NNP B,NO
bbn PSP B,NO
nnm NNP O,O
nnn PSP B,NO
bbn NN O,O
. Sym O,O
</code></pre>
<p>您可以使用csv读取和写入特定的分隔符csv文件</p>
<pre><code>import csv
with open(path, newline='') as csvf:
rows = csv.reader(csvf, delimiter=' ')
with open(new_path, 'w', newline='') as new_csvf:
writer = csv.writer(new_csvf, delimiter=' ')
for row in rows:
slab = row[-1].split(',')[-1]
row.append(slab)
writer.writerow(row)
</code></pre>