


"""simple docstring"""




from __future__ import annotations

from math import pi

def        lowercase							(		lowerCAmelCase__ :     float    ,					lowerCAmelCase__ :     float    ,					lowerCAmelCase__ :     float			) ->      dict[str, float]:

		if (inductance, frequency, reactance).count(0			) != 1:
				raise ValueError('''One and only one argument must be 0'''			)
		if inductance < 0:
				raise ValueError('''Inductance cannot be negative'''			)
		if frequency < 0:
				raise ValueError('''Frequency cannot be negative'''			)
		if reactance < 0:
				raise ValueError('''Inductive reactance cannot be negative'''			)
		if inductance == 0:
				return {"inductance": reactance / (2 * pi * frequency)}
		elif frequency == 0:
				return {"frequency": reactance / (2 * pi * inductance)}
		elif reactance == 0:
				return {"reactance": 2 * pi * frequency * inductance}
		else:
				raise ValueError('''Exactly one argument must be 0'''			)


if __name__ == "__main__":
				import doctest

				doctest.testmod()










from __future__ import annotations

from typing import Any

def       lowercase_		(		_A			:    list[Any]						):

      """simple docstring"""




      create_state_space_tree(_A    ,					[]    ,					0						)

def       lowercase_		(		_A			:    list[Any]    ,					_A			:    list[Any]    ,					_A			:    int						):

      """simple docstring"""




      if index == len(_A						):
            print(_A						)
            return

      create_state_space_tree(_A    ,					_A    ,					index + 1						)
      current_subsequence.append(sequence[index]						)
      create_state_space_tree(_A    ,					_A    ,					index + 1						)
      current_subsequence.pop()


if __name__ == "__main__":
    A      :    list[Any]		=					[3, 1, 2, 4]
    generate_all_subsequences(seq)

    seq.clear()
    seq.extend(["A", "B", "C"])
    generate_all_subsequences(seq)


