





import numpy as np
from PIL import Image




def   _SCREAMING_SNAKE_CASE      (	snake_case_		:						np.array						):
     __magic_name__				=       rgb[:, :, 0], rgb[:, :, 1], rgb[:, :, 2]
     return 0.2989 * r + 0.5870 * g + 0.1140 * b




def   _SCREAMING_SNAKE_CASE      (	snake_case_		:						np.array						):
     return (gray > 127) & (gray <= 255)




def   _SCREAMING_SNAKE_CASE      (	snake_case_		:						np.array ,     snake_case_		:						np.array						):
     __magic_name__				=       np.zeros_like(snake_case_						)
     __magic_name__				=       np.zeros(
         (image.shape[0] + kernel.shape[0] - 1, image.shape[1] + kernel.shape[1] - 1)						)

     # Copy image to padded image
     __magic_name__				=       image

     # Iterate over image & apply kernel
     for x in range(image.shape[1]						):
          for y in range(image.shape[0]						):
               __magic_name__				=       (
                   kernel * image_padded[y : y + kernel.shape[0], x : x + kernel.shape[1]]
               ).sum()
               __magic_name__				=       int(summation == 5						)
     return output


# kernel to be applied
a_    :				List[str]					=			np.array([[0, 1, 0], [1, 1, 1], [0, 1, 0]])

if __name__ == "__main__":
    # read original image
    a_    :				int					=			np.array(Image.open(r'..\image_data\lena.jpg'))
    # Apply erosion operation to a binary image
    a_    :				List[str]					=			erosion(grayabinary(rgbagray(image)), structuring_element)
    # Save the output image
    a_    :				Any					=			Image.fromarray(output).convert('RGB')
    pil_img.save('result_erosion.png')




'''simple docstring'''






def 				_SCREAMING_SNAKE_CASE(					snake_case_    :     List[str]  )		->Dict:






							'''simple docstring'''
							_lowercase							:		Optional[Any]				=   [7_01, 3_01, 1_32, 57, 23, 10, 4, 1]
							for gap in gaps:
														for i in range(snake_case_ ,       len(snake_case_  )  ):
																					_lowercase							:		int				=   collection[i]
																					_lowercase							:		Any				=   i
																					while j >= gap and collection[j - gap] > insert_value:
																												_lowercase							:		Optional[int]				=   collection[j - gap]
																												j -= gap
																					if j != i:
																												_lowercase							:		str				=   insert_value
							return collection


if __name__ == "__main__":
						from doctest import testmod

						testmod()
						lowerCamelCase__	  =		input('Enter numbers separated by a comma:\n').strip()
						lowerCamelCase__	  =		[int(item) for item in user_input.split(',')]
						print(shell_sort(unsorted))



