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

Set Mutations

  • ahmed_m_taha01
     + 0 comments
    # Enter your code here. Read input from STDIN. Print output to STDOUT
n = int(input())
A = set(map(int, input().split()))
N = int(input())
for _ in range(N):
    op, l = input().split()
    n_set = set(map(int, input().split()))
    getattr(A, op)(n_set)
print(sum(A))