code: def add_to_set(original_set, element):
      
      if not element:
          return original_set
      if isinstance(element, Set):
          original_set |= element
      elif isinstance(element, (list, tuple)):
          original_set |= set(element)
      else:
          original_set.add(element)
      return original_set
docs: Given a set and some arbitrary element, add the element(s) to the set