



'''simple docstring'''




from __future__ import annotations


def 				lowerCAmelCase_   (	_lowerCamelCase:   float       ,      _lowerCamelCase:   float       ,      _lowerCamelCase:   float					):





		if (voltage, current, resistance).count(0					) != 1:
				raise ValueError("""One and only one argument must be 0"""					)
		if resistance < 0:
				raise ValueError("""Resistance cannot be negative"""					)
		if voltage == 0:
				return {"voltage": float(current * resistance					)}
		elif current == 0:
				return {"current": voltage / resistance}
		elif resistance == 0:
				return {"resistance": voltage / current}
		else:
				raise ValueError("""Exactly one argument must be 0"""					)


if __name__ == "__main__":
						import doctest

						doctest.testmod()



'''simple docstring'''






def 				UpperCamelCase_			(    A__					:   str							,    A__					:   list[str]					):
  '''simple docstring'''





  lowerCAmelCase_			:      Dict			=   """"""
  for word_or_phrase in separated:
    if not isinstance(A__							,    A__					):
      raise Exception("""join() accepts only strings to be joined"""					)
    joined += word_or_phrase + separator
  return joined.strip(A__					)


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

  testmod()



