
'''simple docstring'''





from itertools import compress, repeat
from math import ceil, sqrt
def 	snake_case_							(				_a  :				str      ):

      if num <= 2:
            return []
      if num == 3:
            return [2]

      # Odd sieve for numbers in range [3, num - 1]
      snake_case_    							=				bytearray(b"\x01"      ) * ((num >> 1) - 1)

      for i in range(3			,       int(sqrt(SCREAMING_SNAKE_CASE__      )      ) + 1			,       2      ):
            if sieve[(i >> 1) - 1]:
                  snake_case_    							=				i**2
                  snake_case_    							=				repeat(
                      0			,       ceil((num - i_squared) / (i << 1)      )      )

      return [2] + list(compress(range(3			,       SCREAMING_SNAKE_CASE__			,       2      )			,       SCREAMING_SNAKE_CASE__      )      )


if __name__ == "__main__":
     import doctest

     doctest.testmod()








from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


__UpperCAmelCase			:  Optional[Any]										=				{"configuration_sew_d": ["SEW_D_PRETRAINED_CONFIG_ARCHIVE_MAP", "SEWDConfig"]}

try:
      if not is_torch_available():
            raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
      pass
else:
      __UpperCAmelCase			:  str										=				[
          "SEW_D_PRETRAINED_MODEL_ARCHIVE_LIST",
          "SEWDForCTC",
          "SEWDForSequenceClassification",
          "SEWDModel",
          "SEWDPreTrainedModel",
      ]

if TYPE_CHECKING:
      from .configuration_sew_d import SEW_D_PRETRAINED_CONFIG_ARCHIVE_MAP, SEWDConfig

      try:
            if not is_torch_available():
                  raise OptionalDependencyNotAvailable()
      except OptionalDependencyNotAvailable:
            pass
      else:
            from .modeling_sew_d import (
                SEW_D_PRETRAINED_MODEL_ARCHIVE_LIST,
                SEWDForCTC,
                SEWDForSequenceClassification,
                SEWDModel,
                SEWDPreTrainedModel,
            )


else:
      import sys

      __UpperCAmelCase			:  Union[str, Any]										=				_LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)






