擅长:python、mysql、java
<pre><code>set_a = {'foo/BAR', 'foo/XYZ', 'foo/ABC', 'foo/123'}
set_b = {'ABC', 'ZYX', '123', 'BAR'}
final_set_a = {item for x in set_a for item in set_b if x in item}
final_set_b = {item for x in set_b for item in set_a if x in item}
if final_set_b:
print(set_a ^ final_set_b)
elif final_set_a:
print(set_b ^ final_set_a)
</code></pre>