


__UpperCAmelCase      			=  {
    0: """underwear""",
    1: """pants""",
    2: """belt""",
    3: """suit""",
    4: """shoe""",
    5: """socks""",
    6: """shirt""",
    7: """tie""",
    8: """watch""",
}

__UpperCAmelCase      			=  [[1, 4], [2, 4], [3], [], [], [4], [2, 7], [3], []]

__UpperCAmelCase      			=  [0 for x in range(len(graph))]
__UpperCAmelCase      			=  []
def 	_lowerCamelCase  (		A_  :	Any							,  A_  :	Optional[int]      )			->			Any:

   '''simple docstring'''






   UpperCamelCase__ :			List[Any] 						=1
   while stack:
      UpperCamelCase__ :			str 						=stack.pop()
      print(A_							,  clothes[current_clothing]      )
      order += 1
def 	_lowerCamelCase  (		A_  :	Optional[int]							,  A_  :	Any							,  A_  :	Dict      )			->			Union[str, Any]:

   '''simple docstring'''






   UpperCamelCase__ :			Optional[int] 						=1
   for v in graph[u]:
      if not visited[v]:
         depth_first_search(A_							,  A_							,  A_      )

   stack.append(A_      )
def 	_lowerCamelCase  (		A_  :	Optional[Any]							,  A_  :	Optional[int]      )			->			List[Any]:

   '''simple docstring'''






   for v in range(len(A_      )      ):
      if not visited[v]:
         depth_first_search(A_							,  A_							,  A_      )


if __name__ == "__main__":
     topological_sort(graph, visited)
     print(stack)
     print_stack(stack, clothes)





def 	_lowerCamelCase  (		A_  :	float							,  A_  :	float							,  A_  :	int      )			->			float:

   '''simple docstring'''






   UpperCamelCase__ :			Union[str, Any] 						=[1 / first_term]
   UpperCamelCase__ :			Tuple 						=1 / first_term
   for _ in range(number_of_terms - 1      ):
      first_term += common_difference
      arithmetic_progression.append(A_      )
   UpperCamelCase__ :			List[str] 						=[1 / step for step in arithmetic_progression]
   return sum(A_      )


if __name__ == "__main__":
     import doctest

     doctest.testmod()
     print(sum_of_harmonic_progression(1 / 2, 2, 2))

