


'''simple docstring'''






from __future__ import annotations





def      UpperCAmelCase      (		lowerCamelCase_  :list[float] ):







		'''simple docstring'''
		snake_case_		:							str			       =						0.00
		snake_case_		:							str			       =						0
		for resistor in resistors:
				if resistor <= 0:
						snake_case_		:							List[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] ):







		'''simple docstring'''
		snake_case_		:							str			       =						0.00
		snake_case_		:							Optional[Any]			       =						0
		for resistor in resistors:
				sum_r += resistor
				if resistor < 0:
						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()



'''simple docstring'''






from abc import ABC, abstractmethod
from argparse import ArgumentParser
class 						__UpperCamelCase	(						lowercase__							):





							@staticmethod
							@abstractmethod
							def 		a__   (  _UpperCamelCase		:ArgumentParser			):
									raise NotImplementedError()





							@abstractmethod
							def 		a__   (  self		:Optional[Any]			):
									raise NotImplementedError()