



import re






def 				A				(					_lowerCamelCase  ):





							'''simple docstring'''




							return [char.split() for char in re.split(r"[^ a-z A-Z 0-9 \s]"				, str_  )]






def 				A				(					_lowerCamelCase  ):





							'''simple docstring'''




							_lowerCAmelCase     :							Tuple    =    split_input(str_  )
							return "".join(
							    ["".join([char.capitalize() for char in sub_str]  ) for sub_str in string_split]  )






def 				A				(					_lowerCamelCase				, _lowerCamelCase				, _lowerCamelCase  ):





							'''simple docstring'''




							try:
														_lowerCAmelCase     :							Any    =    split_input(_lowerCamelCase  )
														if upper:
																					_lowerCAmelCase     :							Dict    =    "".join(
																					    [
																					        separator.join([char.upper() for char in sub_str]  )
																					        for sub_str in string_split
																					    ]  )
														else:
																					_lowerCAmelCase     :							Dict    =    "".join(
																					    [
																					        separator.join([char.lower() for char in sub_str]  )
																					        for sub_str in string_split
																					    ]  )
														return res_str
							except IndexError:
														return "not valid string"






def 				A				(					_lowerCamelCase  ):





							'''simple docstring'''




							return to_simple_case(_lowerCamelCase  )






def 				A				(					_lowerCamelCase  ):





							'''simple docstring'''




							try:
														_lowerCAmelCase     :							Dict    =    to_simple_case(_lowerCamelCase  )
														return res_str[0].lower() + res_str[1:]
							except IndexError:
														return "not valid string"






def 				A				(					_lowerCamelCase				, _lowerCamelCase  ):





							'''simple docstring'''




							return to_complex_case(_lowerCamelCase				, _lowerCamelCase				, "_"  )






def 				A				(					_lowerCamelCase				, _lowerCamelCase  ):





							'''simple docstring'''




							return to_complex_case(_lowerCamelCase				, _lowerCamelCase				, "-"  )


if __name__ == "__main__":
						__import__("doctest").testmod()





def 				A				(					_lowerCamelCase  ):





							'''simple docstring'''




							if bit_count < 0:
														raise ValueError("The given input must be positive"  )

							# get the generated string sequence
							_lowerCAmelCase     :							List[str]    =    gray_code_sequence_string(_lowerCamelCase  )
							#
							# convert them to integers
							for i in range(len(_lowerCamelCase  )  ):
														_lowerCAmelCase     :							List[str]    =    int(sequence[i]				, 2  )

							return sequence






def 				A				(					_lowerCamelCase  ):





							'''simple docstring'''




							if bit_count == 0:
														return ["0"]

							if bit_count == 1:
														return ["0", "1"]

							_lowerCAmelCase     :							List[Any]    =    1 << bit_count  # defines the length of the sequence
							# 1<< n is equivalent to 2^n

							# recursive answer will generate answer for n-1 bits
							_lowerCAmelCase     :							Optional[int]    =    gray_code_sequence_string(bit_count - 1  )

							_lowerCAmelCase     :							str    =    []

							# append 0 to first half of the smaller sequence generated
							for i in range(seq_len // 2  ):
														_lowerCAmelCase     :							Dict    =    "0" + smaller_sequence[i]
														sequence.append(_lowerCamelCase  )

							# append 1 to second half ... start from the end of the list
							for i in reversed(range(seq_len // 2  )  ):
														_lowerCAmelCase     :							Optional[Any]    =    "1" + smaller_sequence[i]
														sequence.append(_lowerCamelCase  )

							return sequence


if __name__ == "__main__":
						import doctest

						doctest.testmod()
