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


_lowercase:	Dict       			=		logging.get_logger(__name__)


_lowercase:	Union[str, Any]       			=		TypeVar('''DatasetType''', Dataset, IterableDataset)






def _lowerCamelCase  (		snake_case     , snake_case = None     , snake_case = None     , snake_case = None     , snake_case = None     , snake_case = "first_exhausted"     , ):
							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(lowerCamelCase__  ):
														if not isinstance(lowerCamelCase__     , (Dataset, IterableDataset)  ):
																					if isinstance(lowerCamelCase__     , (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(lowerCamelCase__  )}\n'
																												    F'Please pick one to interleave with the other datasets, for example: dataset[\'{next(iter(lowerCamelCase__  )  )}\']'  )
																					raise ValueError(
																					    F'Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} is a {type(lowerCamelCase__  ).__name__}.'  )
														if i == 0:
																					_lowerCAmelCase			,		_lowerCAmelCase							=							(
																					    (Dataset, IterableDataset) if isinstance(lowerCamelCase__     , lowerCamelCase__  ) else (IterableDataset, Dataset)
																					)
														elif not isinstance(lowerCamelCase__     , lowerCamelCase__  ):
																					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(
														    lowerCamelCase__     , lowerCamelCase__     , lowerCamelCase__     , info=lowerCamelCase__     , split=lowerCamelCase__     , stopping_strategy=lowerCamelCase__  )
							else:
														return _interleave_iterable_datasets(
														    lowerCamelCase__     , lowerCamelCase__     , lowerCamelCase__     , info=lowerCamelCase__     , split=lowerCamelCase__     , stopping_strategy=lowerCamelCase__  )






def _lowerCamelCase  (		snake_case     , snake_case = None     , snake_case = None     , snake_case = 0     , ):

							if not dsets:
														raise ValueError('Unable to concatenate an empty list of datasets.'  )
							for i, dataset in enumerate(lowerCamelCase__  ):
														if not isinstance(lowerCamelCase__     , (Dataset, IterableDataset)  ):
																					if isinstance(lowerCamelCase__     , (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(lowerCamelCase__  )}\n'
																												    F'Please pick one to interleave with the other datasets, for example: dataset[\'{next(iter(lowerCamelCase__  )  )}\']'  )
																					raise ValueError(
																					    F'Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} is a {type(lowerCamelCase__  ).__name__}.'  )
														if i == 0:
																					_lowerCAmelCase			,		_lowerCAmelCase							=							(
																					    (Dataset, IterableDataset) if isinstance(lowerCamelCase__     , lowerCamelCase__  ) else (IterableDataset, Dataset)
																					)
														elif not isinstance(lowerCamelCase__     , lowerCamelCase__  ):
																					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(lowerCamelCase__     , info=lowerCamelCase__     , split=lowerCamelCase__     , axis=lowerCamelCase__  )
							else:
														return _concatenate_iterable_datasets(lowerCamelCase__     , info=lowerCamelCase__     , split=lowerCamelCase__     , axis=lowerCamelCase__  )








from math import isqrt





def      lowerCamelCase_					(							lowerCamelCase__       ):
				lowerCamelCase_         =     [True] * max_number
				for i in range(2      ,					isqrt(max_number - 1       ) + 1       ):
								if is_prime[i]:
												for j in range(i**2      ,					lowerCamelCase__      ,					lowerCamelCase__       ):
																lowerCamelCase_         =     False

				return [i for i in range(2      ,					lowerCamelCase__       ) if is_prime[i]]





def      lowerCamelCase_					(							lowerCamelCase__ = 1_0**8       ):
				lowerCamelCase_         =     calculate_prime_numbers(max_number // 2       )

				lowerCamelCase_         =     0
				lowerCamelCase_         =     0
				lowerCamelCase_         =     len(lowerCamelCase__       ) - 1
				while left <= right:
								while prime_numbers[left] * prime_numbers[right] >= max_number:
												right -= 1
								semiprimes_count += right - left + 1
								left += 1

				return semiprimes_count


if __name__ == "__main__":
			print(F"""{solution() = }""")


