擅长:python、mysql、java
<p>为什么不使用<code>set</code>删除重复项呢?(见第3行)</p>
<pre><code> x=[1,2,3,4,5]
y=['apple google microsoft spotify alibaba','google microsoft','spotify google microsoft
amazon','amazon google apple','amazon google spotify amazon']
y=[' '.join(set(yy.split(' '))) for yy in y]
df=pd.DataFrame({'ID':x,'text':y})
</code></pre>