
'''simple docstring'''






from argparse import ArgumentParser

from datasets.commands.convert import ConvertCommand
from datasets.commands.dummy_data import DummyDataCommand
from datasets.commands.env import EnvironmentCommand
from datasets.commands.run_beam import RunBeamCommand
from datasets.commands.test import TestCommand
from datasets.utils.logging import set_verbosity_info





def    UpperCAmelCase							(  UpperCAmelCase__							:							Tuple):
				return {key.lstrip('-'): value for key, value in zip(unknown_args[::2]       ,							unknown_args[1::2])}





def    UpperCAmelCase							(  ):
				lowerCamelCase					:			Optional[Any]									= ArgumentParser(
				    'HuggingFace Datasets CLI tool'       ,							usage='datasets-cli <command> [<args>]'       ,							allow_abbrev=_snake_case)
				lowerCamelCase					:			Any									= parser.add_subparsers(help='datasets-cli command helpers')
				set_verbosity_info()

				# Register commands
				ConvertCommand.register_subcommand(_snake_case)
				EnvironmentCommand.register_subcommand(_snake_case)
				TestCommand.register_subcommand(_snake_case)
				RunBeamCommand.register_subcommand(_snake_case)
				DummyDataCommand.register_subcommand(_snake_case)

				# Parse args
				lowerCamelCase			, lowerCamelCase					:			str									= parser.parse_known_args()
				if not hasattr(_snake_case       ,							'func'):
								parser.print_help()
								exit(1)
				lowerCamelCase					:			List[Any]									= parse_unknown_args(_snake_case)

				# Run
				lowerCamelCase					:			Optional[int]									= args.func(_snake_case       ,							**_snake_case)
				service.run()


if __name__ == "__main__":
					main()


'''simple docstring'''






A			      =      {'a': ['c', 'b'], 'b': ['d', 'e'], 'c': [], 'd': [], 'e': []}
A			      =      ['a', 'b', 'c', 'd', 'e']





def    UpperCAmelCase							(  UpperCAmelCase__							:							Union[str, Any]       ,							UpperCAmelCase__							:							Any       ,							UpperCAmelCase__							:							List[Any]):
				lowerCamelCase					:			List[Any]									= start
				# add current to visited
				visited.append(UpperCAmelCase__)
				lowerCamelCase					:			List[str]									= edges[current]
				for neighbor in neighbors:
								# if neighbor not in visited, visit
								if neighbor not in visited:
												lowerCamelCase					:			Any									= 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:
																lowerCamelCase					:			List[str]									= topological_sort(UpperCAmelCase__       ,							UpperCAmelCase__       ,							UpperCAmelCase__)
    # return sort
				return sort


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