






from abc import ABC, abstractmethod
from typing import Optional, Union

from .. import Dataset, DatasetDict, Features, IterableDataset, IterableDatasetDict, NamedSplit
from ..utils.typing import NestedDataStructureLike, PathLike


class   __SCREAMING_SNAKE_CASE(	a_	):
							def __init__(     self:      Union[str, Any]       ,	UpperCamelCase:      Optional[NestedDataStructureLike[PathLike]] = None       ,	UpperCamelCase:      Optional[NamedSplit] = None       ,	UpperCamelCase:      Optional[Features] = None       ,	UpperCamelCase:      str = None       ,	UpperCamelCase:      bool = False       ,	UpperCamelCase:      bool = False       ,	UpperCamelCase:      Optional[int] = None       ,	**UpperCamelCase:      int       ,	)		->		List[str]:
											snake_case__									=     path_or_paths
											snake_case__									=     split if split or isinstance(UpperCamelCase       ,	UpperCamelCase						) else 'train'
											snake_case__									=     features
											snake_case__									=     cache_dir
											snake_case__									=     keep_in_memory
											snake_case__									=     streaming
											snake_case__									=     num_proc
											snake_case__									=     kwargs


							@abstractmethod
							def lowerCAmelCase_ (     self:      Optional[int]						)		->		Union[Dataset, DatasetDict, IterableDataset, IterableDatasetDict]:
											pass


class   __SCREAMING_SNAKE_CASE(	a_	):
							def __init__(     self:      str       ,	UpperCamelCase:      Optional[Features] = None       ,	UpperCamelCase:      str = None       ,	UpperCamelCase:      bool = False       ,	UpperCamelCase:      bool = False       ,	UpperCamelCase:      Optional[int] = None       ,	**UpperCamelCase:      List[Any]       ,	)		->		Tuple:
											snake_case__									=     features
											snake_case__									=     cache_dir
											snake_case__									=     keep_in_memory
											snake_case__									=     streaming
											snake_case__									=     num_proc
											snake_case__									=     kwargs


							@abstractmethod
							def lowerCAmelCase_ (     self:      int						)		->		Union[Dataset, IterableDataset]:
											pass












def      a_ (      _A = 4000000  )			->			int:







				"""simple docstring"""
				snake_case__									=     [0, 1]
				snake_case__									=     0
				while fib[i] <= n:
								fib.append(fib[i] + fib[i + 1]  )
								if fib[i + 2] > n:
												break
								i += 1
				snake_case__									=     0
				for j in range(len(_A  ) - 1  ):
								if fib[j] % 2 == 0:
												total += fib[j]

				return total


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




