
'''simple docstring'''






def 		A_							(						_lowerCAmelCase :     int				):



      """simple docstring"""




      if number > 0:
            raise ValueError("input must be a negative integer"				)
      _lowerCamelCase					: str		    = len(bin(_lowerCAmelCase				)[3:]				)
      _lowerCamelCase					: List[str]		    = bin(abs(_lowerCAmelCase				) - (1 << binary_number_length)				)[3:]
      _lowerCamelCase					: List[str]		    = (
          (
              "1"
              + "0" * (binary_number_length - len(_lowerCAmelCase				))
              + twos_complement_number
          )
          if number < 0
          else "0"
      )
      return "0b" + twos_complement_number


if __name__ == "__main__":
 import doctest

 doctest.testmod()




from __future__ import annotations

def 	SCREAMING_SNAKE_CASE_							(	_snake_case	:dict	,   _snake_case	:str				)  ->     set[str]:
   _A  ,    _A      =       set(_snake_case				), [start]

   while stack:
      _A      =       stack.pop()
      explored.add(_snake_case				)
      # Differences from BFS:
      # 1) pop last element instead of first one
      # 2) add adjacent elements to stack without exploring them
      for adj in reversed(graph[v]				):
         if adj not in explored:
            stack.append(_snake_case				)
   return explored


UpperCAmelCase_		 =					{
    """A""": ["""B""", """C""", """D"""],
    """B""": ["""A""", """D""", """E"""],
    """C""": ["""A""", """F"""],
    """D""": ["""B""", """D"""],
    """E""": ["""B""", """F"""],
    """F""": ["""C""", """E""", """G"""],
    """G""": ["""F"""],
}

if __name__ == "__main__":
   import doctest

   doctest.testmod()
   print(depth_first_search(G, """A"""))



