重複したものを削除

dupDel.py

#!/usr/bin/env python
#-*- coding: utf-8 -*-

a = ["abc","def","cdf","abc","abb"]
b = ["abc","def","cdf","abb","zbjl","klgjh","43whyur"]


def dupDel(seq):
    seen = set()
    seen_add = seen.add
    return [ x for x in seq if x not in seen and not seen_add(x)]

for e in dupDel(a): b.remove(e)

print b