


'''simple docstring'''


import os
from typing import Dict, List, Tuple, TypeVar, Union


UpperCAmelCase_		:   str							   =		TypeVar('T')

UpperCAmelCase_		:   str							   =		Union[List[T], Tuple[T, ...]]
UpperCAmelCase_		:   Tuple							   =		Union[T, List[T], Dict[str, T]]
UpperCAmelCase_		:   Optional[Any]							   =		Union[str, bytes, os.PathLike]








'''simple docstring'''


def 			snake_case_   (  SCREAMING_SNAKE_CASE__     ):







				"""simple docstring"""





				_SCREAMING_SNAKE_CASE :       str     		=      0
				for ch in input_str:
								_SCREAMING_SNAKE_CASE :       Optional[Any]     		=      ord(SCREAMING_SNAKE_CASE__     )
								_SCREAMING_SNAKE_CASE :       Union[str, Any]     		=      pow(2							,      SCREAMING_SNAKE_CASE__     )

								# If we already turned on bit for current character's unicode
								if bitmap >> ch_unicode & 1 == 1:
												return False
								bitmap |= ch_bit_index_on
				return True


if __name__ == "__main__":
				import doctest

				doctest.testmod()




