






def       lowercase__	(					A_:						Any  ,      A_:						List[str]		)	->				list[str]:







       """simple docstring"""






       return [sentence[i : i + ngram_size] for i in range(len(_SCREAMING_SNAKE_CASE		) - ngram_size + 1		)]


if __name__ == "__main__":
   from doctest import testmod

   testmod()











"""simple docstring"""





import re
def 					__A  (_SCREAMING_SNAKE_CASE     )   ->list:





  """simple docstring"""


  return [char.split() for char in re.split(r'[^ a-z A-Z 0-9 \s]'	,  str_     )]
def 					__A  (_SCREAMING_SNAKE_CASE     )   ->str:





  """simple docstring"""


  lowerCAmelCase__     :Optional[Any]											=				split_input(str_     )
  return "".join(
      [''.join([char.capitalize() for char in sub_str]     ) for sub_str in string_split]     )
def 					__A  (_SCREAMING_SNAKE_CASE	,  _SCREAMING_SNAKE_CASE	,  _SCREAMING_SNAKE_CASE     )   ->str:





  """simple docstring"""


  try:
    lowerCAmelCase__     :Any											=				split_input(_SCREAMING_SNAKE_CASE     )
    if upper:
      lowerCAmelCase__     :str											=				''.join(
          [
              separator.join([char.upper() for char in sub_str]     )
              for sub_str in string_split
          ]     )
    else:
      lowerCAmelCase__     :int											=				''.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  (_SCREAMING_SNAKE_CASE     )   ->str:





  """simple docstring"""


  return to_simple_case(_SCREAMING_SNAKE_CASE     )
def 					__A  (_SCREAMING_SNAKE_CASE     )   ->str:





  """simple docstring"""


  try:
    lowerCAmelCase__     :str											=				to_simple_case(_SCREAMING_SNAKE_CASE     )
    return res_str[0].lower() + res_str[1:]
  except IndexError:
    return "not valid string"
def 					__A  (_SCREAMING_SNAKE_CASE	,  _SCREAMING_SNAKE_CASE     )   ->str:





  """simple docstring"""


  return to_complex_case(_SCREAMING_SNAKE_CASE	,  _SCREAMING_SNAKE_CASE	,  '_'     )
def 					__A  (_SCREAMING_SNAKE_CASE	,  _SCREAMING_SNAKE_CASE     )   ->str:





  """simple docstring"""


  return to_complex_case(_SCREAMING_SNAKE_CASE	,  _SCREAMING_SNAKE_CASE	,  '-'     )


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