text: """List to set.
  
  Create set _y from list _x.
  _x may contain duplicates. _y is unordered and has no repeated values.
  
  Source: programming-idioms.org
  """
  
  # Implementation author: L3viathan
  # Created on 2019-09-27T14:27:31.718869Z
  # Last modified on 2019-09-27T14:27:31.718869Z
  # Version 1
  
  set(x)
  