查看两个文本相同行

import re
import codecs

word_a = r'症状.txt'
word_b = r'C:\Users\Administrator.SC-201812211013\PycharmProjects\词表工作代码\yiwoqu\TXT\disease_0903.txt'
list_a = []
list_b = []
with codecs.open(word_a,'r','utf8') as f:
    for line in f:
        line = line.strip()
        list_a.append(line)
with codecs.open(word_b, 'r', 'utf8') as f:
    for line in f:
        line = line.strip()
        list_b.append(line)

for line in list_a:
    for line_b in list_b:
        if line == line_b:
            print(line_b)