
from string import ascii_uppercase



def        lowerCamelCase_  (   __UpperCamelCase ,						__UpperCamelCase ,						__UpperCamelCase = False ,						__UpperCamelCase = ascii_uppercase     ):
				A_       	=  keyword.upper()
				A_       	=  plaintext.upper()
				A_       	=  set(__UpperCamelCase     )

				# create a list of unique characters in the keyword - their order matters
				# it determines how we will map plaintext characters to the ciphertext
				A_       	=  []
				for char in keyword:
								if char in alphabet_set and char not in unique_chars:
												unique_chars.append(__UpperCamelCase     )
    # the number of those unique characters will determine the number of rows
				A_       	=  len(__UpperCamelCase     )

				# create a shifted version of the alphabet
				A_       	=  unique_chars + [
				    char for char in alphabet if char not in unique_chars
				]

				# create a modified alphabet by splitting the shifted alphabet into rows
				A_       	=  [
				    shifted_alphabet[k : k + num_unique_chars_in_keyword]
				    for k in range(0 ,						26 ,						__UpperCamelCase     )
				]

				# map the alphabet characters to the modified alphabet characters
				# going 'vertically' through the modified alphabet - consider columns first
				A_       	=  {}
				A_       	=  0
				for column in range(__UpperCamelCase     ):
								for row in modified_alphabet:
												# if current row (the last one) is too short, break out of loop
												if len(__UpperCamelCase     ) <= column:
																break

												# map current letter to letter in modified alphabet
												A_       	=  row[column]
												letter_index += 1

				if verbose:
								print(__UpperCamelCase     )
				# create the encrypted text by mapping the plaintext to the modified alphabet
				return "".join(mapping[char] if char in mapping else char for char in plaintext     )


if __name__ == "__main__":
						# example use
						print(mixed_keyword("college", "UNIVERSITY"))

from cva import destroyAllWindows, imread, imshow, waitKey



def        lowerCamelCase_  (   __UpperCamelCase ,						__UpperCamelCase     ):
				A_	,					A_       	=  img.shape[0], img.shape[1]

				def to_grayscale(__UpperCamelCase ,						__UpperCamelCase ,						__UpperCamelCase     ):
								return 0.2126 * red + 0.587 * green + 0.114 * blue

				def normalize(__UpperCamelCase     ):
								return min(__UpperCamelCase ,						2_55     )

				for i in range(__UpperCamelCase     ):
								for j in range(__UpperCamelCase     ):
												A_       	=  int(to_grayscale(*img[i][j]     )     )
												A_       	=  [
												    normalize(__UpperCamelCase     ),
												    normalize(greyscale + factor     ),
												    normalize(greyscale + 2 * factor     ),
												]

				return img


if __name__ == "__main__":
						# read original image
						SCREAMING_SNAKE_CASE   :		Optional[Any]					 =       {
						    percentage: imread("image_data/lena.jpg", 1) for percentage in (10, 20, 30, 40)
						}

						for percentage, img in images.items():
												make_sepia(img, percentage)

						for percentage, img in images.items():
												imshow(f'''Original image with sepia (factor: {percentage})''', img)

						waitKey(0)
						destroyAllWindows()