parameters: (items)
return_statement: return [seen.setdefault(e, e) for e in items if e not in seen]
docstring: Removes duplicate elements from items, keeping the first element.
docstring_summary: Removes duplicate elements from items, keeping the first element.
docstring_tokens: Removes duplicate elements from items keeping the first element .
function: def Unify(items):
      """Removes duplicate elements from items, keeping the first element."""
      seen = {}
      return [seen.setdefault(e, e) for e in items if e not in seen]
function_tokens: def Unify ( items ) : seen = { } return [ seen . setdefault ( e , e ) for e in items if e not in seen ]