


'''simple docstring'''
def 					lowerCamelCase_ ( __UpperCamelCase					:       int		)					->	str:







     """simple docstring"""
     if number > 0:
          raise ValueError('input must be a negative integer'		)
     _A				=							len(bin(__UpperCamelCase		)[3:]		)
     _A				=							bin(abs(__UpperCamelCase		) - (1 << binary_number_length)		)[3:]
     _A				=							(
         (
             '1'
             + '0' * (binary_number_length - len(__UpperCamelCase		))
             + twos_complement_number
         )
         if number < 0
         else '0'
     )
     return "0b" + twos_complement_number


if __name__ == "__main__":
    import doctest

    doctest.testmod()









'''simple docstring'''
from __future__ import annotations

def 					lowerCamelCase_ ( __UpperCamelCase					:       dict							,    __UpperCamelCase					:       str		)					->	set[str]:







     """simple docstring"""
     _A		,				_A				=							set(__UpperCamelCase		), [start]

     while stack:
          _A				=							stack.pop()
          explored.add(__UpperCamelCase		)
          # 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(__UpperCamelCase		)
     return explored


lowerCAmelCase						=					{
    """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"""))





