擅长:python、mysql、java
<p>您可以使用<code>Counter</code>类来实现以下目的:</p>
<pre><code>from collections import Counter
x = ['Gaga', 'Gaga', 'Lam', 'Reem', 'Pal', 'Gaga','Lam']
c = Counter(x)
new_values = [item for item in x if c[item] > 1]
indexes = [1 if c[item] == 1 else 0 for item in x]
print(new_values)
print(indexes)
</code></pre>
<p>输出为:</p>
<pre><code>['Gaga', 'Gaga', 'Lam', 'Gaga', 'Lam']
[0, 0, 0, 1, 1, 0, 0]
</code></pre>