input: from typing import List, Set
  
  def remove_duplicates(numbers: List[int]) -> Set[int]:
      """ Remove all duplicate elements from a given list of integers.
      >>> remove_duplicates([1, 2, 3, 2, 4, 5, 6, 3])
      {1, 2, 3, 4, 5, 6}
      >>> remove_duplicates([7, 7, 8, 8, 9, 9, 10])
      {7, 8, 9, 10}
      """
output:     return set(numbers)