






"""simple docstring"""







import math

def _a			(		_snake_case							):







      """simple docstring"""






      return math.sqrt(_snake_case							) * math.sqrt(_snake_case							) == num

def _a			(		_snake_case							):







      """simple docstring"""






      UpperCAmelCase          =	0
      UpperCAmelCase          =	n
      while left <= right:
            UpperCAmelCase          =	(left + right) // 2
            if mid**2 == n:
                  return True
            elif mid**2 > n:
                  UpperCAmelCase          =	mid - 1
            else:
                  UpperCAmelCase          =	mid + 1
      return False


if __name__ == "__main__":
  import doctest

  doctest.testmod()











"""simple docstring"""







from __future__ import annotations

def _a			(		_snake_case				,	_snake_case				,	_snake_case							):







      """simple docstring"""






      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()



