"""simple docstring"""






# Copyright 2022 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.

from pathlib import Path

from .config_args import default_config_file, load_config_from_file
from .config_utils import SubcommandHelpFormatter


__A         =				"""Update an existing config file with the latest defaults while maintaining the old configuration."""



def SCREAMING_SNAKE_CASE__    (     __UpperCAmelCase				):
   lowercase__:     Optional[Any]      =   args.config_file
   if config_file is None and Path(__lowerCamelCase				).exists():
      lowercase__:     List[Any]      =   default_config_file
   elif not Path(__lowerCamelCase				).exists():
      raise ValueError(F"""The passed config file located at {config_file} doesn't exist."""				)
   lowercase__:     Tuple      =   load_config_from_file(__lowerCamelCase				)

   if config_file.endswith('''.json'''				):
      config.to_json_file(__lowerCamelCase				)
   else:
      config.to_yaml_file(__lowerCamelCase				)
   return config_file



def SCREAMING_SNAKE_CASE__    (     __UpperCAmelCase ,					__UpperCAmelCase				):
   lowercase__:     Dict      =   parser.add_parser('''update''' ,					parents=__lowerCamelCase ,					help=__lowerCamelCase ,					formatter_class=__lowerCamelCase				)
   parser.add_argument(
       '''--config_file''' ,					default=__lowerCamelCase ,					help=(
           '''The path to the config file to update. Will default to a file named default_config.yaml in the cache '''
           '''location, which is the content of the environment `HF_HOME` suffixed with \'accelerate\', or if you don\'t have '''
           '''such an environment variable, your cache directory (\'~/.cache\' or the content of `XDG_CACHE_HOME`) suffixed '''
           '''with \'huggingface\'.'''
       ) ,					)

   parser.set_defaults(func=__lowerCamelCase				)
   return parser




def SCREAMING_SNAKE_CASE__    (     __UpperCAmelCase				):
   lowercase__:     int      =   update_config(__lowerCamelCase				)
   print(F"""Sucessfully updated the configuration file at {config_file}."""				)

"""simple docstring"""






class 					UpperCAmelCase		:



    """simple docstring"""

    def __init__(     self					,    _UpperCAmelCase=None							):
       lowercase__:     Optional[int]      =   data
       lowercase__:     Dict      =   None






    def __repr__(     self							):
       lowercase__:     int      =   ''''''
       lowercase__:     Any      =   self
       while temp:
          string_rep += F"""<{temp.data}> ---> """
          lowercase__:     Any      =   temp.next
       string_rep += "<END>"
       return string_rep



def SCREAMING_SNAKE_CASE__    (     __UpperCAmelCase				)						->						str:

   # if elements_list is empty
   if not elements_list:
      raise Exception('''The Elements List is empty'''				)

   # Set first element as Head
   lowercase__:     Union[str, Any]      =   Node(elements_list[0]				)
   lowercase__:     List[str]      =   head
   # Loop through elements from position 1
   for data in elements_list[1:]:
      lowercase__:     Tuple      =   Node(__UpperCAmelCase				)
      lowercase__:     Tuple      =   current.next
   return head


__A         =				[1, 3, 5, 3_2, 4_4, 1_2, 4_3]
print(f'''List: {list_data}''')
print("Creating Linked List from List.")
__A         =				make_linked_list(list_data)
print("Linked List:")




print(linked_list)
