




"""simple docstring"""






from __future__ import annotations







def 	_snake_case     (							lowercase__				,       lowercase__				,       lowercase__				,       ):
				if (electron_conc, hole_conc, intrinsic_conc).count(0						) != 1:
								raise ValueError('You cannot supply more or less than 2 values'						)
				elif electron_conc < 0:
								raise ValueError('Electron concentration cannot be negative in a semiconductor'						)
				elif hole_conc < 0:
								raise ValueError('Hole concentration cannot be negative in a semiconductor'						)
				elif intrinsic_conc < 0:
								raise ValueError(
								    'Intrinsic concentration cannot be negative in a semiconductor'						)
				elif electron_conc == 0:
								return (
								    "electron_conc",
								    intrinsic_conc**2 / hole_conc,
								)
				elif hole_conc == 0:
								return (
								    "hole_conc",
								    intrinsic_conc**2 / electron_conc,
								)
				elif intrinsic_conc == 0:
								return (
								    "intrinsic_conc",
								    (electron_conc * hole_conc) ** 0.5,
								)
				else:
								return (-1, -1)


if __name__ == "__main__":
			import doctest

			doctest.testmod()

from __future__ import annotations




def 	UpperCamelCase__  (     SCREAMING_SNAKE_CASE_	:	float		,   SCREAMING_SNAKE_CASE_	:	float		,   SCREAMING_SNAKE_CASE_	:	float		,   )  ->     tuple:
						if (electron_conc, hole_conc, intrinsic_conc).count(0       ) != 1:
												raise ValueError("""You cannot supply more or less than 2 values"""       )
						elif electron_conc < 0:
												raise ValueError("""Electron concentration cannot be negative in a semiconductor"""       )
						elif hole_conc < 0:
												raise ValueError("""Hole concentration cannot be negative in a semiconductor"""       )
						elif intrinsic_conc < 0:
												raise ValueError(
												    """Intrinsic concentration cannot be negative in a semiconductor"""       )
						elif electron_conc == 0:
												return (
												    "electron_conc",
												    intrinsic_conc**2 / hole_conc,
												)
						elif hole_conc == 0:
												return (
												    "hole_conc",
												    intrinsic_conc**2 / electron_conc,
												)
						elif intrinsic_conc == 0:
												return (
												    "intrinsic_conc",
												    (electron_conc * hole_conc) ** 0.5,
												)
						else:
												return (-1, -1)


if __name__ == "__main__":
		import doctest

		doctest.testmod()