




'''simple docstring'''







import functools



def        lowerCamelCase__				(      __lowercase     ,   __lowercase				):
     snake_case			:      Tuple        =			len(__lowercase				)
     snake_case			:      int        =			len(__lowercase				)

     @functools.cache
     def min_distance(__lowercase     ,   __lowercase				) -> int:
          # if first word index is overflow - delete all from the second word
          if indexa >= len_worda:
               return len_worda - indexa
          # if second word index is overflow - delete all from the first word
          if indexa >= len_worda:
               return len_worda - indexa
          snake_case			:      List[Any]        =			int(worda[indexa] != worda[indexa]				)  # current letters not identical
          return min(
              1 + min_distance(indexa + 1     ,   __lowercase				)     ,   1 + min_distance(__lowercase     ,   indexa + 1				)     ,   diff + min_distance(indexa + 1     ,   indexa + 1				)     ,   )

     return min_distance(0     ,   0				)


if __name__ == "__main__":
      import doctest

      doctest.testmod()









'''simple docstring'''







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


lowercase      :   Optional[int]      =       {
    """configuration_pegasus_x""": ["""PEGASUS_X_PRETRAINED_CONFIG_ARCHIVE_MAP""", """PegasusXConfig"""],
}

try:
      if not is_torch_available():
            raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
      pass
else:
      lowercase      :   int      =       [
          """PEGASUS_X_PRETRAINED_MODEL_ARCHIVE_LIST""",
          """PegasusXForConditionalGeneration""",
          """PegasusXModel""",
          """PegasusXPreTrainedModel""",
      ]


if TYPE_CHECKING:
      from .configuration_pegasus_x import PEGASUS_X_PRETRAINED_CONFIG_ARCHIVE_MAP, PegasusXConfig

      try:
            if not is_torch_available():
                  raise OptionalDependencyNotAvailable()
      except OptionalDependencyNotAvailable:
            pass
      else:
            from .modeling_pegasus_x import (
                PEGASUS_X_PRETRAINED_MODEL_ARCHIVE_LIST,
                PegasusXForConditionalGeneration,
                PegasusXModel,
                PegasusXPreTrainedModel,
            )


else:
      import sys

      lowercase      :   Optional[Any]      =       _LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)



