'''simple docstring'''




from statistics import mean, stdev






def 				snake_case__							(			_A:					list      ,   _A:					int = 3 )    ->	Dict:

		'''simple docstring'''


		lowerCAmelCase   					=  min(A__ )
		lowerCAmelCase   					=  max(A__ )
		# normalize data
		return [round((x - x_min) / (x_max - x_min)      ,   A__ ) for x in data]






def 				snake_case__							(			_A:					list      ,   _A:					int = 3 )    ->	int:

		'''simple docstring'''


		lowerCAmelCase   					=  mean(A__ )
		lowerCAmelCase   					=  stdev(A__ )
		# standardize data
		return [round((x - mu) / (sigma)      ,   A__ ) for x in data]








'''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



