python 集合运算

x = set()

y = set()

with open('note.txt', 'r') as f:

    lines = f.readlines()

    for line in lines:

        x.add(line)

with open('note1.txt', 'r') as f:

    lines = f.readlines()

    for line in lines:

        y.add(line)

c = x & y

print(x-c)

print(y-c)

# print(y)