
"""simple docstring"""





def 	__a     (		__lowerCamelCase,		__lowerCamelCase  ):
   return price * (1 + tax_rate)


if __name__ == "__main__":
    print(f"""{price_plus_tax(100, 0.25) = }""")
    print(f"""{price_plus_tax(125.50, 0.05) = }""")




"""simple docstring"""





from __future__ import annotations







def 	__a     (		__lowerCamelCase,		__lowerCamelCase,		__lowerCamelCase  ):
   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()


