


'''simple docstring'''






import re







def 				UpperCamelCase_			(    A__					:   str					):
  '''simple docstring'''





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







def 				UpperCamelCase_			(    A__					:   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 				UpperCamelCase_			(    A__					:   str							,    A__					:   bool							,    A__					:   str					):
  '''simple docstring'''





  try:
    lowerCAmelCase_			:      Optional[int]			=   split_input(A__					)
    if upper:
      lowerCAmelCase_			:      Any			=   """""".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 				UpperCamelCase_			(    A__					:   str					):
  '''simple docstring'''





  return to_simple_case(A__					)







def 				UpperCamelCase_			(    A__					:   str					):
  '''simple docstring'''





  try:
    lowerCAmelCase_			:      int			=   to_simple_case(A__					)
    return res_str[0].lower() + res_str[1:]
  except IndexError:
    return "not valid string"







def 				UpperCamelCase_			(    A__					:   str							,    A__					:   bool					):
  '''simple docstring'''





  return to_complex_case(A__							,    A__							,    """_"""					)







def 				UpperCamelCase_			(    A__					:   str							,    A__					:   bool					):
  '''simple docstring'''





  return to_complex_case(A__							,    A__							,    """-"""					)


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







'''simple docstring'''






from __future__ import annotations

from typing import Any






class    __snake_case       (   _SCREAMING_SNAKE_CASE):







    """simple docstring"""



    pass







class    __snake_case       :







    """simple docstring"""



    def __init__(   self    :  Union[str, Any]    ,						lowerCamelCase    :  Any		)   ->  None:
      lowerCAmelCase_			:      Any			=   data
      lowerCAmelCase_			:      Node | None			=   None

    def __iter__(   self    :  Union[str, Any]		)   ->  Optional[Any]:
      lowerCAmelCase_			:      Union[str, Any]			=   self
      lowerCAmelCase_			:      Any			=   []
      while node:
        if node in visited:
          raise ContainsLoopError
        visited.append(lowerCamelCase		)
        yield node.data
        lowerCAmelCase_			:      int			=   node.next_node





    @property
    def __lowercase   (   self    :  str		)   ->  bool:
      try:
        list(self		)
        return False
      except ContainsLoopError:
        return True


if __name__ == "__main__":
  __A					:  Dict											=      Node(1)
  __A					:  Optional[Any]											=      Node(2)
  __A					:  int											=      Node(3)
  __A					:  Optional[Any]											=      Node(4)
  print(root_node.has_loop)  # False
  __A					:  Any											=      root_node.next_node
  print(root_node.has_loop)  # True

  __A					:  List[Any]											=      Node(5)
  __A					:  Dict											=      Node(6)
  __A					:  str											=      Node(5)
  __A					:  Dict											=      Node(6)
  print(root_node.has_loop)  # False

  __A					:  Optional[int]											=      Node(1)
  print(root_node.has_loop)  # False



