code: 
  
  
  
  
  
  from __future__ import annotations
  
  from collections.abc import Iterable, Iterator
  from typing import Any, Generic, TypeVar
  
  lowerCamelCase			:							List[Any]       =TypeVar('''T''', bound=bool)
  
  
  
  
  
  class     __a						(					Generic[T] ):
  
  
  
  
  
  
  
   def __init__(	self      :     Optional[int]							,     SCREAMING_SNAKE_CASE      :     T		):
  
  
        '''simple docstring'''
  
  
  
  
  
  
        UpperCamelCase__    :     T        =						value
        UpperCamelCase__    :     SkewNode[T] | None        =						None
        UpperCamelCase__    :     SkewNode[T] | None        =						None
  
  
  
  
  
  
  
   @property
   def       __lowercase      (	self      :     Tuple		):
  
  
        '''simple docstring'''
  
  
  
  
  
  
        return self._value
  
  
  
  
  
  
  
   @staticmethod
   def       __lowercase      (	SCREAMING_SNAKE_CASE      :     SkewNode[T] | None							,     SCREAMING_SNAKE_CASE      :     SkewNode[T] | None		):
  
  
        '''simple docstring'''
  
  
  
  
  
  
        if not roota:
             return roota
  
        if not roota:
             return roota
  
        if roota.value > roota.value:
             UpperCamelCase__    :     str        =						roota, roota
  
        UpperCamelCase__    :     Optional[Any]        =						roota
        UpperCamelCase__    :     Optional[Any]        =						roota.right
        UpperCamelCase__    :     Optional[Any]        =						roota.left
        UpperCamelCase__    :     List[str]        =						SkewNode.merge(UpperCamelCase__							,     UpperCamelCase__		)
  
        return result
  
  
  
  
  
  
  
  class     __a						(					Generic[T] ):
  
  
  
  
  
  
  
   def __init__(	self      :     Union[str, Any]							,     SCREAMING_SNAKE_CASE      :     Iterable[T] | None = ()		):
  
  
        '''simple docstring'''
  
  
  
  
  
  
        UpperCamelCase__    :     SkewNode[T] | None        =						None
        if data:
             for item in data:
                  self.insert(UpperCamelCase__		)
  
  
  
  
  
  
  
   def __bool__(	self      :     Dict		):
  
  
        '''simple docstring'''
  
  
  
  
  
  
        return self._root is not None
  
  
  
  
  
  
  
   def __iter__(	self      :     Dict		):
  
  
        '''simple docstring'''
  
  
  
  
  
  
        UpperCamelCase__    :     list[Any]        =						[]
        while self:
             result.append(self.pop()		)
  
        # Pushing items back to the heap not to clear it.
        for item in result:
             self.insert(UpperCamelCase__		)
  
        return iter(UpperCamelCase__		)
  
  
  
  
  
  
  
   def       __lowercase      (	self      :     Dict							,     SCREAMING_SNAKE_CASE      :     T		):
  
  
        '''simple docstring'''
  
  
  
  
  
  
        UpperCamelCase__    :     Union[str, Any]        =						SkewNode.merge(self._root							,     SkewNode(UpperCamelCase__		)		)
  
  
  
  
  
  
  
   def       __lowercase      (	self      :     str		):
  
  
        '''simple docstring'''
  
  
  
  
  
  
        UpperCamelCase__    :     Tuple        =						self.top()
        UpperCamelCase__    :     Optional[Any]        =						(
            SkewNode.merge(self._root.left							,     self._root.right		) if self._root else None
        )
  
        return result
  
  
  
  
  
  
  
   def       __lowercase      (	self      :     List[Any]		):
  
  
        '''simple docstring'''
  
  
  
  
  
  
        if not self._root:
             raise IndexError("Can\'t get top element for the empty heap."		)
        return self._root.value
  
  
  
  
  
  
  
   def       __lowercase      (	self      :     Dict		):
  
  
        '''simple docstring'''
  
  
  
  
  
  
        UpperCamelCase__    :     Dict        =						None
  
  
  if __name__ == "__main__":
   import doctest
  
   doctest.testmod()
style_context: 
  
  
  
  
  
  
  from __future__ import annotations
  
  
  
  
  
  
  
  def 	SCREAMING_SNAKE_CASE							(      __lowerCAmelCase    )				->			list[int]:
       assert (
           isinstance(__lowerCAmelCase      ,					__lowerCAmelCase    ) and mask > 0
       ), f'mask needs to be positive integer, your input {mask}'
       UpperCamelCase__    :     Any        =						[]
       UpperCamelCase__    :     int        =						mask
  
       while submask:
            all_submasks.append(__lowerCAmelCase    )
            UpperCamelCase__    :     List[str]        =						(submask - 1) & mask
  
       return all_submasks
  
  
  if __name__ == "__main__":
   import doctest
  
   doctest.testmod()