with open(r"/Users/zhouxl/PycharmProjects/kyb_project/testdata/firsttxt", "r") as first_txt:
list_a = first_txt.readlines()
with open(r"/Users/zhouxl/PycharmProjects/kyb_project/testdata/secondtxt", "r")as second_txt:
list_b = second_txt.readlines()
# c = [i for i in list_a if i in list_b]
c = []
for i in list_a:
if i in list_b:
# c.append(i.strip("\n"))
c.append(i)
with open('third.txt', 'w') as third_txt:
third_txt.writelines(c)
