<filename>main/py-set-symmetric-difference-operation/py-set-symmetric-difference-operation.py<gh_stars>0
def input_set():
    raw_input() # ignore n
    return set(map(int, raw_input().split()))

print len(input_set() ^ input_set())

<filename>main/py-set-symmetric-difference-operation/py-set-symmetric-difference-operation.py<gh_stars>0
def input_set():
    raw_input() # ignore n
    return set(map(int, raw_input().split()))

print len(input_set() ^ input_set())

# ignore n