

from PIL import Image

def 			lowerCamelCase__			(       _a):
	SCREAMING_SNAKE_CASE  ,SCREAMING_SNAKE_CASE :   Tuple					  =							image.size
	SCREAMING_SNAKE_CASE :   Tuple					  =							0
	SCREAMING_SNAKE_CASE :   Tuple					  =							image.load()
	for i in range(_a):
		for j in range(_a):
			SCREAMING_SNAKE_CASE :   Union[str, Any]					  =							pixels[j, i]
			mean += pixel
	mean //= width * height

	for j in range(_a):
		for i in range(_a):
			SCREAMING_SNAKE_CASE :   List[Any]					  =							255 if pixels[i, j] > mean else 0
	return image


if __name__ == "__main__":
			a_      =     mean_threshold(Image.open('path_to_image').convert('L'))
			image.save('output_image_path')


"""simple docstring"""


import random





class lowerCamelCase__   :



    '''simple docstring'''




    @staticmethod
    def UpperCamelCase__		( lowerCamelCase_    )    ->      tuple[list[int], list[int]]:
          A				  =		[ord(lowerCamelCase_    ) for i in text]
          A				  =		[]
          A				  =		[]
          for i in plain:
                A				  =		random.randint(1 ,3_0_0    )
                A				  =		(i + k) * k
                cipher.append(lowerCamelCase_    )
                key.append(lowerCamelCase_    )
          return cipher, key




    @staticmethod
    def UpperCamelCase__		( lowerCamelCase_ ,lowerCamelCase_    )    ->      str:
          A				  =		[]
          for i in range(len(lowerCamelCase_    )    ):
                A				  =		int((cipher[i] - (key[i]) ** 2) / key[i]    )
                plain.append(chr(lowerCamelCase_    )    )
          return "".join(lowerCamelCase_    )


if __name__ == "__main__":
  UpperCAmelCase							,			UpperCAmelCase													=Onepad().encrypt("Hello")
  print(c, k)
  print(Onepad().decrypt(c, k))




