/Python/Set .discard(), .remove() & .pop() | Hackerrank Python Solution |

Set .discard(), .remove() & .pop() | Hackerrank Python Solution |

num = int(input())
data = set(map(int, input().split()))
operations = int(input())

for x in range(operations):
  oper = input().split()
  if oper[0] == "remove":
    data.remove(int(oper[1]))
  elif oper[0] == "discard":
    data.discard(int(oper[1]))
  else:
    data.pop()
    
print(sum(data))

Source: programs.programmingoneonone.com

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