


'''simple docstring'''
def       a				(      __a			, __a			, __a       )  ->     list:



					'''simple docstring'''






					UpperCamelCase__       :Tuple							 =			len(__a       )
					UpperCamelCase__       :Tuple							 =			[[0] * n for i in range(__a       )]
					for i in range(__a       ):
										UpperCamelCase__       :Optional[Any]							 =			y_points[i]

					for i in range(2			, __a       ):
										for j in range(__a			, __a       ):
															UpperCamelCase__       :int							 =			(
															    (xa - x_points[j - i + 1]) * q[j][i - 1]
															    - (xa - x_points[j]) * q[j - 1][i - 1]
															) / (x_points[j] - x_points[j - i + 1])

					return [q[n - 1][n - 1], q]


if __name__ == "__main__":
		import doctest

		doctest.testmod()



'''simple docstring'''
# Copyright 2021 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import argparse

from .config import config_command_parser
from .config_args import default_config_file, load_config_from_file  # noqa: F401
from .default import default_command_parser
from .update import update_command_parser


def       a				(      __a=None       )  ->     List[str]:



					'''simple docstring'''






					UpperCamelCase__       :Optional[Any]							 =			argparse.ArgumentParser(add_help=__a			, allow_abbrev=__a       )
					# The main config parser
					UpperCamelCase__       :str							 =			config_command_parser(__a       )
					# The subparser to add commands to
					UpperCamelCase__       :Union[str, Any]							 =			config_parser.add_subparsers(title='''subcommands'''			, dest='''subcommand'''       )

					# Then add other parsers with the parent parser
					default_command_parser(__a			, parents=[parent_parser]       )
					update_command_parser(__a			, parents=[parent_parser]       )

					return config_parser


def       a				(      )  ->     Any:



					'''simple docstring'''






					UpperCamelCase__       :int							 =			get_config_parser()
					UpperCamelCase__       :List[Any]							 =			config_parser.parse_args()

					if not hasattr(__a			, '''func'''       ):
										config_parser.print_help()
										exit(1       )

					# Run
					args.func(__a       )


if __name__ == "__main__":
		main()