




def        __UpperCAmelCase						(							lowerCamelCase_ :     int  ,							lowerCamelCase_ :     int  ,							lowerCamelCase_ :     int  )       ->  float:







			"""simple docstring"""





			SCREAMING_SNAKE_CASE_   : List[Any]					  =      (num_of_terms / 2) * (2 * first_term + (num_of_terms - 1) * common_diff)
			# formula for sum of series
			return total





def        __UpperCAmelCase						(							)       ->  Optional[Any]:







			"""simple docstring"""





			print(sum_of_series(1  ,							1  ,							10  )  )


if __name__ == "__main__":
						import doctest

						doctest.testmod()









from __future__ import annotations





def        __UpperCAmelCase						(							lowerCamelCase_ :     list[float]  )       ->  float:







			"""simple docstring"""





			SCREAMING_SNAKE_CASE_   : Tuple					  =      0.0_0
			SCREAMING_SNAKE_CASE_   : Tuple					  =      0
			for resistor in resistors:
						if resistor <= 0:
									SCREAMING_SNAKE_CASE_   : Optional[Any]					  =      F'Resistor at index {index} has a negative or zero value!'
									raise ValueError(lowerCamelCase_  )
						first_sum += 1 / float(lowerCamelCase_  )
						index += 1
			return 1 / first_sum





def        __UpperCAmelCase						(							lowerCamelCase_ :     list[float]  )       ->  float:







			"""simple docstring"""





			SCREAMING_SNAKE_CASE_   : Dict					  =      0.0_0
			SCREAMING_SNAKE_CASE_   : Union[str, Any]					  =      0
			for resistor in resistors:
						sum_r += resistor
						if resistor < 0:
									SCREAMING_SNAKE_CASE_   : Union[str, Any]					  =      F'Resistor at index {index} has a negative value!'
									raise ValueError(lowerCamelCase_  )
						index += 1
			return sum_r


if __name__ == "__main__":
						import doctest

						doctest.testmod()



