





UpperCAmelCase_      							=     {"""a""": ["""c""", """b"""], """b""": ["""d""", """e"""], """c""": [], """d""": [], """e""": []}
UpperCAmelCase_      							=     ["""a""", """b""", """c""", """d""", """e"""]





def 						lowerCamelCase__     (     UpperCamelCase__			:       int       ,    UpperCamelCase__			:       Any       ,    UpperCamelCase__			:       Union[str, Any]						)			-> Optional[Any]:



					'''simple docstring'''




					_snake_case									=				start
					# add current to visited
					visited.append(UpperCamelCase__						)
					_snake_case									=				edges[current]
					for neighbor in neighbors:
										# if neighbor not in visited, visit
										if neighbor not in visited:
															_snake_case									=				topological_sort(UpperCamelCase__       ,    UpperCamelCase__       ,    UpperCamelCase__						)
    # if all neighbors visited add current to sort
					sort.append(UpperCamelCase__						)
					# if all vertices haven't been visited select a new one to visit
					if len(UpperCamelCase__						) != len(UpperCamelCase__						):
										for vertice in vertices:
															if vertice not in visited:
																				_snake_case									=				topological_sort(UpperCamelCase__       ,    UpperCamelCase__       ,    UpperCamelCase__						)
    # return sort
					return sort


if __name__ == "__main__":
					UpperCAmelCase_      							=     topological_sort("""a""", [], [])
					print(sort)










from typing import TYPE_CHECKING

from ...utils import _LazyModule


UpperCAmelCase_      							=     {"""tokenization_byt5""": ["""ByT5Tokenizer"""]}


if TYPE_CHECKING:
					from .tokenization_byta import ByTaTokenizer
else:
					import sys

					UpperCAmelCase_      							=     _LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)



