
from pathlib import Path

import numpy as np
from PIL import Image






def 	a_		(	__lowercase       :     np.ndarray			)			->  np.ndarray:
			_snake_case     , _snake_case     , _snake_case          =      rgb[:, :, 0], rgb[:, :, 1], rgb[:, :, 2]
			return 0.2_9_8_9 * r + 0.5_8_7_0 * g + 0.1_1_4_0 * b






def 	a_		(	__lowercase       :     np.ndarray			)			->  np.ndarray:
			return (gray > 127) & (gray <= 255)






def 	a_		(	__lowercase       :     np.ndarray	, __lowercase       :     np.ndarray			)			->  np.ndarray:
			_snake_case          =      np.zeros_like(__lowercase			)
			_snake_case          =      np.zeros(
			    (image.shape[0] + kernel.shape[0] - 1, image.shape[1] + kernel.shape[1] - 1)			)

			# Copy image to padded image
			_snake_case          =      image

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


if __name__ == "__main__":
			# read original image
			_lowerCamelCase	:    Optional[int]          =      Path(__file__).resolve().parent / '''image_data''' / '''lena.jpg'''
			_lowerCamelCase	:    Optional[Any]          =      np.array(Image.open(lena_path))
			# kernel to be applied
			_lowerCamelCase	:    str          =      np.array([[0, 1, 0], [1, 1, 1], [0, 1, 0]])
			_lowerCamelCase	:    Optional[Any]          =      dilation(gray_to_binary(rgb_to_gray(lena)), structuring_element)
			# Save the output image
			_lowerCamelCase	:    List[Any]          =      Image.fromarray(output).convert('''RGB''')
			pil_img.save('''result_dilation.png''')

import random




class        SCREAMING_SNAKE_CASE__					:





	'''simple docstring'''



	@staticmethod
	def 			A							(  lowercase     :   str     ):


				'''simple docstring'''


				_snake_case          =      [ord(lowercase     ) for i in text]
				_snake_case          =      []
				_snake_case          =      []
				for i in plain:
							_snake_case          =      random.randint(1      ,  300     )
							_snake_case          =      (i + k) * k
							cipher.append(lowercase     )
							key.append(lowercase     )
				return cipher, key





	@staticmethod
	def 			A							(  lowercase     :   list[int]      ,  lowercase     :   list[int]     ):


				'''simple docstring'''


				_snake_case          =      []
				for i in range(len(lowercase     )     ):
							_snake_case          =      int((cipher[i] - (key[i]) ** 2) / key[i]     )
							plain.append(chr(lowercase     )     )
				return "".join(lowercase     )


if __name__ == "__main__":
			_lowerCamelCase   ,					_lowerCamelCase	:    Optional[int]          =      Onepad().encrypt('''Hello''')
			print(c, k)
			print(Onepad().decrypt(c, k))