code: 
  
  
  
  def  __a  (					lowerCAmelCase_     :      str       )   ->				str:
  
  
  
  
  
  
  						'''simple docstring'''
  
  
  
  						return " ".join(sorted(set(sentence.split()       )       )       )
  
  
  if __name__ == "__main__":
  	import doctest
  
  	doctest.testmod()
  
  
  
  
  
style_context: 
  
  
  
  from .prime_check import Test
  
  Test()
  
  
  
  
  