





from __future__ import annotations




def  lowerCAmelCase_ (							UpperCamelCase_					,		UpperCamelCase_  )     ->		set[str]:
       UpperCamelCase_       , UpperCamelCase_          =  set(UpperCamelCase_  ), [start]

       while stack:
              UpperCamelCase_          =  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


_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'))








import random
from typing import Any




def  lowerCAmelCase_ (							UpperCamelCase_  )     ->		list[Any]:
       for _ in range(len(UpperCamelCase_  )  ):
              UpperCamelCase_          =  random.randint(0					,		len(UpperCamelCase_  ) - 1  )
              UpperCamelCase_          =  random.randint(0					,		len(UpperCamelCase_  ) - 1  )
              UpperCamelCase_       , UpperCamelCase_          =  data[b], data[a]
       return data


if __name__ == "__main__":
     _UpperCAmelCase        =				[0, 1, 2, 3, 4, 5, 6, 7]
     _UpperCAmelCase        =				['python', 'says', 'hello', '!']
     print('Fisher-Yates Shuffle:')
     print('List', integers, strings)
     print('FY Shuffle', fisher_yates_shuffle(integers), fisher_yates_shuffle(strings))

