
from collections.abc import Sequence







def    A				(							UpperCAmelCase  ,  UpperCAmelCase = False				):
					if not arr:
										return 0

					_snake_case       :					List[Any]				       =   0 if allow_empty_subarrays else float("-inf"				)
					_snake_case       :					List[str]				       =   0.0
					for num in arr:
										_snake_case       :					Union[str, Any]				       =   max(0 if allow_empty_subarrays else num  ,  curr_sum + num				)
										_snake_case       :					Dict				       =   max(lowerCAmelCase__  ,  lowerCAmelCase__				)

					return max_sum


if __name__ == "__main__":
							from doctest import testmod

							testmod()

							__lowerCAmelCase :Tuple     =    [-2, 1, -3, 4, -1, 2, 1, -5, 4]
							print(F'''{max_subarray_sum(nums) = }''')






# 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				(							UpperCAmelCase=None				):
					_snake_case       :					Union[str, Any]				       =   argparse.ArgumentParser(add_help=UpperCAmelCase  ,  allow_abbrev=UpperCAmelCase				)
					# The main config parser
					_snake_case       :					Tuple				       =   config_command_parser(UpperCAmelCase				)
					# The subparser to add commands to
					_snake_case       :					Any				       =   config_parser.add_subparsers(title="subcommands"  ,  dest="subcommand"				)

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

					return config_parser







def    A				(							):
					_snake_case       :					str				       =   get_config_parser()
					_snake_case       :					Union[str, Any]				       =   config_parser.parse_args()

					if not hasattr(UpperCAmelCase  ,  "func"				):
										config_parser.print_help()
										exit(1				)

					# Run
					args.func(UpperCAmelCase				)


if __name__ == "__main__":
							main()