"""simple docstring"""






import importlib
import sys
from argparse import REMAINDER, ArgumentParser
from pathlib import Path

import torch_xla.distributed.xla_multiprocessing as xmp



def SCREAMING_SNAKE_CASE__    (     ):
   lowercase__:     Optional[int]      =   ArgumentParser(
       description=(
           '''PyTorch TPU distributed training launch helper utility that will spawn up multiple distributed processes'''
       )				)

   # Optional arguments for the launch helper
   parser.add_argument('''--num_cores''' ,					type=_A ,					default=1 ,					help='''Number of TPU cores to use (1 or 8).'''				)

   # positional
   parser.add_argument(
       '''training_script''' ,					type=_A ,					help=(
           '''The full path to the single TPU training '''
           '''program/script to be launched in parallel, '''
           '''followed by all the arguments for the '''
           '''training script'''
       ) ,					)

   # rest from the training program
   parser.add_argument('''training_script_args''' ,					nargs=_A				)

   return parser.parse_args()



def SCREAMING_SNAKE_CASE__    (     ):
   lowercase__:     Union[str, Any]      =   parse_args()

   # Import training_script as a module.
   lowercase__:     List[str]      =   Path(args.training_script				)
   sys.path.append(str(script_fpath.parent.resolve()				)				)
   lowercase__:     int      =   script_fpath.stem
   lowercase__:     Dict      =   importlib.import_module(_A				)

   # Patch sys.argv
   lowercase__:     Dict      =   [args.training_script] + args.training_script_args + ['''--tpu_num_cores''', str(args.num_cores				)]

   xmp.spawn(mod._mp_fn ,					args=() ,					nprocs=args.num_cores				)


if __name__ == "__main__":
       main()

"""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)
