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

Set Mutations

  • deepakanil8868
     + 0 comments
    a=int(input())
b=set(map(int, input().split()))
c=int(input())
for _ in range(c):
    d,_=input().split()
    other_set = set(map(int, input().split()))
    if d=="intersection_update":
        b.intersection_update(other_set)
    elif d=="update":
        b.update(other_set)
    elif d=="symmetric_difference_update":
        b.symmetric_difference_update(other_set)
    elif d=="difference_update":
        b.difference_update(other_set)
print(sum(b))