



'''simple docstring'''





def     UpperCAmelCase     (    a_		)   ->       int:



   """simple docstring"""






   if num < 0:
      return -1
   return 1 if num else 0



def     UpperCAmelCase     (    )   ->       None:



   """simple docstring"""






   assert signum(5		) == 1
   assert signum(-5		) == -1
   assert signum(0		) == 0


if __name__ == "__main__":
  print(signum(12))
  print(signum(-12))
  print(signum(0))





'''simple docstring'''





def     UpperCAmelCase     (    a_      ,		a_		)   ->       set:



   """simple docstring"""






   assert isinstance(a_      ,		a_		), F"The input value of [set_a={set_a}] is not a set"
   assert isinstance(a_      ,		a_		), F"The input value of [set_b={set_b}] is not a set"

   return {a + b for a in set_a for b in set_b}


if __name__ == "__main__":
  from doctest import testmod

  testmod()
