




from typing import List, Optional, TypeVar

from .arrow_dataset import Dataset, _concatenate_map_style_datasets, _interleave_map_style_datasets
from .dataset_dict import DatasetDict, IterableDatasetDict
from .info import DatasetInfo
from .iterable_dataset import IterableDataset, _concatenate_iterable_datasets, _interleave_iterable_datasets
from .splits import NamedSplit
from .utils import logging
from .utils.py_utils import Literal


SCREAMING_SNAKE_CASE__			: Tuple    =  logging.get_logger(__name__)


SCREAMING_SNAKE_CASE__			: Optional[int]    =  TypeVar('DatasetType', Dataset, IterableDataset)

def 	A ( _SCREAMING_SNAKE_CASE					,_SCREAMING_SNAKE_CASE = None					,_SCREAMING_SNAKE_CASE = None					,_SCREAMING_SNAKE_CASE = None					,_SCREAMING_SNAKE_CASE = None					,_SCREAMING_SNAKE_CASE = "first_exhausted"					,)      ->					DatasetType:
       from .arrow_dataset import Dataset
       from .iterable_dataset import IterableDataset

       if not datasets:
              raise ValueError("Unable to interleave an empty list of datasets."       )
       for i, dataset in enumerate(UpperCAmelCase_       ):
              if not isinstance(UpperCAmelCase_					,(Dataset, IterableDataset)       ):
                     if isinstance(UpperCAmelCase_					,(DatasetDict, IterableDatasetDict)       ):
                            if not dataset:
                                   raise ValueError(
                                       f'''Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} '''
                                       "is an empty dataset dictionary."       )
                            raise ValueError(
                                f'''Dataset at position {i} has at least one split: {list(UpperCAmelCase_       )}\n'''
                                f'''Please pick one to interleave with the other datasets, for example: dataset[\'{next(iter(UpperCAmelCase_       )       )}\']'''       )
                     raise ValueError(
                         f'''Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} is a {type(UpperCAmelCase_       ).__name__}.'''       )
              if i == 0:
                     lowerCamelCase					, lowerCamelCase  : Optional[int]     					=   (
                         (Dataset, IterableDataset) if isinstance(UpperCAmelCase_					,UpperCAmelCase_       ) else (IterableDataset, Dataset)
                     )
              elif not isinstance(UpperCAmelCase_					,UpperCAmelCase_       ):
                     raise ValueError(
                         f'''Unable to interleave a {dataset_type.__name__} (at position 0) with a {other_type.__name__} (at position {i}). Expected a list of Dataset objects or a list of IterableDataset objects.'''       )
       if stopping_strategy not in ["first_exhausted", "all_exhausted"]:
              raise ValueError(f'''{stopping_strategy} is not supported. Please enter a valid stopping_strategy.'''       )
       if dataset_type is Dataset:
              return _interleave_map_style_datasets(
                  UpperCAmelCase_					,UpperCAmelCase_					,UpperCAmelCase_					,info=UpperCAmelCase_					,split=UpperCAmelCase_					,stopping_strategy=UpperCAmelCase_       )
       else:
              return _interleave_iterable_datasets(
                  UpperCAmelCase_					,UpperCAmelCase_					,UpperCAmelCase_					,info=UpperCAmelCase_					,split=UpperCAmelCase_					,stopping_strategy=UpperCAmelCase_       )


def 	A ( _SCREAMING_SNAKE_CASE					,_SCREAMING_SNAKE_CASE = None					,_SCREAMING_SNAKE_CASE = None					,_SCREAMING_SNAKE_CASE = 0					,)      ->					DatasetType:





       if not dsets:
              raise ValueError("Unable to concatenate an empty list of datasets."       )
       for i, dataset in enumerate(UpperCAmelCase_       ):
              if not isinstance(UpperCAmelCase_					,(Dataset, IterableDataset)       ):
                     if isinstance(UpperCAmelCase_					,(DatasetDict, IterableDatasetDict)       ):
                            if not dataset:
                                   raise ValueError(
                                       f'''Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} '''
                                       "is an empty dataset dictionary."       )
                            raise ValueError(
                                f'''Dataset at position {i} has at least one split: {list(UpperCAmelCase_       )}\n'''
                                f'''Please pick one to interleave with the other datasets, for example: dataset[\'{next(iter(UpperCAmelCase_       )       )}\']'''       )
                     raise ValueError(
                         f'''Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} is a {type(UpperCAmelCase_       ).__name__}.'''       )
              if i == 0:
                     lowerCamelCase					, lowerCamelCase  : Tuple     					=   (
                         (Dataset, IterableDataset) if isinstance(UpperCAmelCase_					,UpperCAmelCase_       ) else (IterableDataset, Dataset)
                     )
              elif not isinstance(UpperCAmelCase_					,UpperCAmelCase_       ):
                     raise ValueError(
                         f'''Unable to interleave a {dataset_type.__name__} (at position 0) with a {other_type.__name__} (at position {i}). Expected a list of Dataset objects or a list of IterableDataset objects.'''       )
       if dataset_type is Dataset:
              return _concatenate_map_style_datasets(UpperCAmelCase_					,info=UpperCAmelCase_					,split=UpperCAmelCase_					,axis=UpperCAmelCase_       )
       else:
              return _concatenate_iterable_datasets(UpperCAmelCase_					,info=UpperCAmelCase_					,split=UpperCAmelCase_					,axis=UpperCAmelCase_       )











"""simple docstring"""







def       _lowerCamelCase				(							UpperCAmelCase_ :       Optional[Any]     )	-> Dict:






	"""simple docstring"""





	A__											=					[]
	A__											=					set({"(", "[", "{"}     )
	A__											=					set({")", "]", "}"}     )
	A__											=					{"{": "}", "[": "]", "(": ")"}

	for i in range(len(UpperCAmelCase_     )     ):
		if s[i] in open_brackets:
			stack.append(s[i]     )

		elif s[i] in closed_brackets and (
		    len(UpperCAmelCase_     ) == 0 or (len(UpperCAmelCase_     ) > 0 and open_to_closed[stack.pop()] != s[i])
		):
			return False

	return len(UpperCAmelCase_     ) == 0

def       _lowerCamelCase				(							)	-> str:






	"""simple docstring"""





	A__											=					input("Enter sequence of brackets: "     )
	if is_balanced(UpperCAmelCase_     ):
		print(UpperCAmelCase_,	"is balanced"     )
	else:
		print(UpperCAmelCase_,	"is not balanced"     )


if __name__ == "__main__":
			main()




