Symmetric Difference

  • + 33 comments

    Not a one liner. But easy to understand.

    a,b=(int(input()),input().split())
    c,d=(int(input()),input().split())
    x=set(b)
    y=set(d)
    p=y.difference(x)
    q=x.difference(y)
    r=p.union(q)
    print ('\n'.join(sorted(r, key=int)))