





"""simple docstring"""




import PIL.Image
import PIL.ImageOps
from packaging import version
from PIL import Image


if version.parse(version.parse(PIL.__version__).base_version) >= version.parse("""9.1.0"""):
      SCREAMING_SNAKE_CASE_						       =	{
          "linear": PIL.Image.Resampling.BILINEAR,
          "bilinear": PIL.Image.Resampling.BILINEAR,
          "bicubic": PIL.Image.Resampling.BICUBIC,
          "lanczos": PIL.Image.Resampling.LANCZOS,
          "nearest": PIL.Image.Resampling.NEAREST,
      }
else:
      SCREAMING_SNAKE_CASE_						       =	{
          "linear": PIL.Image.LINEAR,
          "bilinear": PIL.Image.BILINEAR,
          "bicubic": PIL.Image.BICUBIC,
          "lanczos": PIL.Image.LANCZOS,
          "nearest": PIL.Image.NEAREST,
      }



def        __lowercase       (				_SCREAMING_SNAKE_CASE     )			->       int:


      '''simple docstring'''


      SCREAMING_SNAKE_CASE		=						(images / 2 + 0.5).clamp(0			,						1     )
      SCREAMING_SNAKE_CASE		=						images.cpu().permute(0			,						2			,						3			,						1     ).float().numpy()
      SCREAMING_SNAKE_CASE		=						numpy_to_pil(_UpperCAmelCase     )
      return images



def        __lowercase       (				_SCREAMING_SNAKE_CASE     )			->       Optional[int]:


      '''simple docstring'''


      if images.ndim == 3:
            SCREAMING_SNAKE_CASE		=						images[None, ...]
      SCREAMING_SNAKE_CASE		=						(images * 2_55).round().astype("""uint8"""     )
      if images.shape[-1] == 1:
            # special case for grayscale (single channel) images
            SCREAMING_SNAKE_CASE		=						[Image.fromarray(image.squeeze()			,						mode="""L"""     ) for image in images]
      else:
            SCREAMING_SNAKE_CASE		=						[Image.fromarray(_UpperCAmelCase     ) for image in images]

      return pil_images









def        __lowercase       (				_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE     )			->       int:


      '''simple docstring'''


      if index == number_of_items:
            return 0
      SCREAMING_SNAKE_CASE		=						0
      SCREAMING_SNAKE_CASE		=						0
      SCREAMING_SNAKE_CASE		=						knapsack(_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE			,						index + 1     )
      if weights[index] <= max_weight:
            SCREAMING_SNAKE_CASE		=						values[index] + knapsack(
                _SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE			,						max_weight - weights[index]			,						index + 1     )
      return max(_SCREAMING_SNAKE_CASE			,						_SCREAMING_SNAKE_CASE     )


if __name__ == "__main__":
      import doctest

      doctest.testmod()


