



def 				UpperCAmelCase__		(					_SCREAMING_SNAKE_CASE :						float  ,					_SCREAMING_SNAKE_CASE :						float					)->float:
      _lowerCAmelCase			      =	float()
      try:
            _lowerCAmelCase			      =	mass * acceleration
      except Exception:
            return -0.0
      return force


if __name__ == "__main__":
    import doctest

    # run doctest
    doctest.testmod()

    # demo
    UpperCAmelCase_          =				12.5
    UpperCAmelCase_          =				1_0
    UpperCAmelCase_          =				newtons_second_law_of_motion(mass, acceleration)
    print("The force is ", force, "N")




def 				UpperCAmelCase__		(					_SCREAMING_SNAKE_CASE :						str					)->str:
      return " ".join(sorted(set(sentence.split()					)					)					)


if __name__ == "__main__":
    import doctest

    doctest.testmod()