with open('text1.txt','r') as f1:
data1 = f1.read().split('\n')
with open('text2.txt','r') as f2:
data2 = f2.read().split('\n')
with open('text3.txt','a+') as f3:
for i in data2:
if i in data1:
f3.write(i+'\n')
如果对你有帮助,帮忙采纳一下!