



"""simple docstring"""





from __future__ import annotations




def 						UpperCAmelCase  (		A						:    list[int | str]							):

		'''simple docstring'''


		create_state_space_tree(a_  ,					[]  ,					0  ,					[0 for i in range(len(a_							)							)]							)




def 						UpperCAmelCase  (		A						:    list[int | str]  ,					A						:    list[int | str]  ,					A						:    int  ,					A						:    list[int]  ,					):

		'''simple docstring'''


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

		for i in range(len(a_							)							):
				if not index_used[i]:
						current_sequence.append(sequence[i]							)
						_UpperCAmelCase							=		True
						create_state_space_tree(a_  ,					a_  ,					index + 1  ,					a_							)
						current_sequence.pop()
						_UpperCAmelCase							=		False
lowercase					=       [3, 1, 2, 4]
generate_all_permutations(sequence)

lowercase					=       ['''A''', '''B''', '''C''']






generate_all_permutations(sequence_a)










'''simple docstring'''

UpperCamelCase      					="Input must be a string of 8 numbers plus letter"
UpperCamelCase      					="TRWAGMYFPDXBNJZSQVHLCKE"



def 				snake_case       (  a_				:			str						)							->					bool:





      """simple docstring"""

      if not isinstance(a_     , a_						):
            UpperCamelCase_					: List[str]            =				f"Expected string as input, found {type(a_						).__name__}"
            raise TypeError(a_						)

      UpperCamelCase_					: int            =				spanish_id.replace("""-"""     , """"""						).upper()
      if len(a_						) != 9:
            raise ValueError(a_						)

      try:
            UpperCamelCase_					: List[str]            =				int(spanish_id_clean[0:8]						)
            UpperCamelCase_					: Any            =				spanish_id_clean[8]
      except ValueError as ex:
            raise ValueError(a_						) from ex

      if letter.isdigit():
            raise ValueError(a_						)

      return letter == LOOKUP_LETTERS[number % 23]


if __name__ == "__main__":
      import doctest

      doctest.testmod()






