




UpperCamelCase__    			=			9.80665







def 	_a      (						SCREAMING_SNAKE_CASE_							:				float      ,      SCREAMING_SNAKE_CASE_							:				float      ,      SCREAMING_SNAKE_CASE_							:				float = g     ):

					if fluid_density <= 0:
										raise ValueError("Impossible fluid density"     )
					if volume < 0:
										raise ValueError("Impossible Object volume"     )
					if gravity <= 0:
										raise ValueError("Impossible Gravity"     )

					return fluid_density * gravity * volume


if __name__ == "__main__":
					import doctest

					# run doctest
					doctest.testmod()






def a__    (       A_					):






  '''simple docstring'''





  if not isinstance(A_,     A_					):
    raise ValueError("""Input series is not valid, valid series - [2, 4, 6]"""					)
  if len(A_					) == 0:
    raise ValueError("""Input list must be a non empty list"""					)
  if len(A_					) == 1:
    return True
  __magic_name__				     =       series[1] - series[0]
  for index in range(len(A_					) - 1					):
    if series[index + 1] - series[index] != common_diff:
      return False
  return True

def a__    (       A_					):






  '''simple docstring'''





  if not isinstance(A_,     A_					):
    raise ValueError("""Input series is not valid, valid series - [2, 4, 6]"""					)
  if len(A_					) == 0:
    raise ValueError("""Input list must be a non empty list"""					)
  __magic_name__				     =       0
  for val in series:
    answer += val
  return answer / len(A_					)


if __name__ == "__main__":
    import doctest

    doctest.testmod()

