from __future__ import annotations

from typing import Any



class  SCREAMING_SNAKE_CASE_ (					lowerCAmelCase_			):
  '''simple docstring'''


  pass







class  SCREAMING_SNAKE_CASE_ :
  '''simple docstring'''


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







  def __iter__(				self    :					Dict     )    ->				Tuple:
         A						:     Optional[Any]         =self
         A						:     str         =[]
         while node:
                if node in visited:
                       raise ContainsLoopError
                visited.append(SCREAMING_SNAKE_CASE__     )
                yield node.data
                A						:     Optional[int]         =node.next_node







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


if __name__ == "__main__":
    _lowercase							:      List[str]      							=Node(1)
    _lowercase							:      Any      							=Node(2)
    _lowercase							:      List[Any]      							=Node(3)
    _lowercase							:      List[Any]      							=Node(4)
    print(root_node.has_loop)  # False
    _lowercase							:      str      							=root_node.next_node
    print(root_node.has_loop)  # True

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

    _lowercase							:      Tuple      							=Node(1)
    print(root_node.has_loop)  # False







def A__  (			lowercase:     int					)				->		int:
       if not isinstance(lowercase,		lowercase					) or number < 0:
              raise ValueError('Input must be a non-negative integer'					)

       A						:     Any         =0
       while number:
              # This way we arrive at next set bit (next 1) instead of looping
              # through each bit and checking for 1s hence the
              # loop won't run 32 times it will only run the number of `1` times
              number &= number - 1
              count += 1
       return count


if __name__ == "__main__":
    import doctest

    doctest.testmod()






