



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 			A_      (	__a     :				str		):

				"""simple docstring"""
				return {key.lstrip("""-"""		): value for key, value in zip(unknown_args[::2] ,		unknown_args[1::2]		)}

def 			A_      (	):

				"""simple docstring"""
				a__				      =		ArgumentParser(
				    """HuggingFace Datasets CLI tool""" ,		usage="""datasets-cli <command> [<args>]""" ,		allow_abbrev=__a		)
				a__				      =		parser.add_subparsers(help="""datasets-cli command helpers"""		)
				set_verbosity_info()

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

				# Parse args
				a__      ,			a__				      =		parser.parse_known_args()
				if not hasattr(__a ,		"""func"""		):
								parser.print_help()
								exit(1		)
				a__				      =		parse_unknown_args(__a		)

				# Run
				a__				      =		args.func(__a ,		**__a		)
				service.run()


if __name__ == "__main__":
	main()






def 			A_      (	__a     :				Any		):

				"""simple docstring"""
				if not head:
								return True
				# split the list to two parts
				a__      ,			a__				      =		head.next, head
				while fast and fast.next:
								a__				      =		fast.next.next
								a__				      =		slow.next
				a__				      =		slow.next
				a__				      =		None  # Don't forget here! But forget still works!
				# reverse the second part
				a__				      =		None
				while second:
								a__				      =		second.next
								a__				      =		node
								a__				      =		second
								a__				      =		nxt
				# compare two parts
				# second part has the same or one less node
				while node:
								if node.val != head.val:
												return False
								a__				      =		node.next
								a__				      =		head.next
				return True

def 			A_      (	__a     :				int		):

				"""simple docstring"""
				if not head or not head.next:
								return True

				# 1. Get the midpoint (slow)
				a__				      =		a__				      =		a__				      =		head
				while fast and fast.next:
								a__      ,			a__				      =		fast.next.next, slow.next

				# 2. Push the second half into the stack
				a__				      =		[slow.val]
				while slow.next:
								a__				      =		slow.next
								stack.append(slow.val		)

				# 3. Comparison
				while stack:
								if stack.pop() != cur.val:
												return False
								a__				      =		cur.next

				return True




def 			A_      (	__a     :				Any		):

				"""simple docstring"""
				if not head or not head.next:
								return True
				a__				      =		{}
				a__				      =		0
				while head:
								if head.val in d:
												d[head.val].append(__a		)
								else:
												a__				      =		[pos]
								a__				      =		head.next
								pos += 1
				a__				      =		pos - 1
				a__				      =		0
				for v in d.values():
								if len(__a		) % 2 != 0:
												middle += 1
								else:
												a__				      =		0
												for i in range(0 ,		len(__a		)		):
																if v[i] + v[len(__a		) - 1 - step] != checksum:
																				return False
																step += 1
								if middle > 1:
												return False
				return True

