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  1. Prepare
  2. Python
  3. Sets
  4. Set Mutations
  5. Discussions

Set Mutations

  • dilajevolves
     + 0 comments
    _,A,N = int(input()),set(map(int,input().split())),int(input())
operations = {
    "update" : A.update,
    "intersection_update" : A.intersection_update,
    "difference_update" : A.difference_update,
    "symmetric_difference_update" : A.symmetric_difference_update
}
for _ in range(N):
    opr = input().split()[0]
    B = set(map(int,input().split()))
    operations[opr]
print(sum(A))