



"""simple docstring"""

lowercase__			   =  "ABCDEFGHIJKLMNOPQRSTUVWXYZ"





def       __magic_name__    (   ):
							__a		:		Dict									=       input("""Enter message: """					)
							__a		:		Union[str, Any]									=       input("""Enter key [alphanumeric]: """					)
							__a		:		Optional[Any]									=       input("""Encrypt/Decrypt [e/d]: """					)

							if mode.lower().startswith("""e"""					):
														__a		:		int									=       """encrypt"""
														__a		:		str									=       encrypt_message(_lowerCamelCase  ,       _lowerCamelCase					)
							elif mode.lower().startswith("""d"""					):
														__a		:		Optional[Any]									=       """decrypt"""
														__a		:		Optional[Any]									=       decrypt_message(_lowerCamelCase  ,       _lowerCamelCase					)

							print(F'''\n{mode.title()}ed message:'''					)
							print(_lowerCamelCase					)





def       __magic_name__    (   _lowerCamelCase				: str  ,       _lowerCamelCase				: str					):
							return translate_message(_lowerCamelCase  ,       _lowerCamelCase  ,       """encrypt"""					)





def       __magic_name__    (   _lowerCamelCase				: str  ,       _lowerCamelCase				: str					):
							return translate_message(_lowerCamelCase  ,       _lowerCamelCase  ,       """decrypt"""					)





def       __magic_name__    (   _lowerCamelCase				: str  ,       _lowerCamelCase				: str  ,       _lowerCamelCase				: str					):
							__a		:		Optional[int]									=       []
							__a		:		str									=       0
							__a		:		Union[str, Any]									=       key.upper()

							for symbol in message:
														__a		:		Dict									=       LETTERS.find(symbol.upper()					)
														if num != -1:
																					if mode == "encrypt":
																												num += LETTERS.find(key[key_index]					)
																					elif mode == "decrypt":
																												num -= LETTERS.find(key[key_index]					)

																					num %= len(_lowerCamelCase					)

																					if symbol.isupper():
																												translated.append(LETTERS[num]					)
																					elif symbol.islower():
																												translated.append(LETTERS[num].lower()					)

																					key_index += 1
																					if key_index == len(_lowerCamelCase					):
																												__a		:		Optional[int]									=       0
														else:
																					translated.append(_lowerCamelCase					)
							return "".join(_lowerCamelCase					)


if __name__ == "__main__":
	main()






"""simple docstring"""

import math
import sys

import cva
import numpy as np





def       __magic_name__    (   _lowerCamelCase				: np.ndarray  ,       _lowerCamelCase				: float					):
							# For applying gaussian function for each element in matrix.
							__a		:		int									=       math.sqrt(_lowerCamelCase					)
							__a		:		Any									=       1 / (sigma * math.sqrt(2 * math.pi					))
							return cons * np.exp(-((img / sigma) ** 2) * 0.5					)





def       __magic_name__    (   _lowerCamelCase				: np.ndarray  ,       _lowerCamelCase				: int  ,       _lowerCamelCase				: int  ,       _lowerCamelCase				: int					):
							__a		:		Any									=       kernel_size // 2
							return img[x - half : x + half + 1, y - half : y + half + 1]





def       __magic_name__    (   _lowerCamelCase				: int  ,       _lowerCamelCase				: float					):
							# Creates a gaussian kernel of given dimension.
							__a		:		int									=       np.zeros((kernel_size, kernel_size)					)
							for i in range(0  ,       _lowerCamelCase					):
														for j in range(0  ,       _lowerCamelCase					):
																					__a		:		Any									=       math.sqrt(
																					    abs(i - kernel_size // 2					) ** 2 + abs(j - kernel_size // 2					) ** 2					)
							return vec_gaussian(_lowerCamelCase  ,       _lowerCamelCase					)





def       __magic_name__    (   _lowerCamelCase				: np.ndarray  ,       _lowerCamelCase				: float  ,       _lowerCamelCase				: float  ,       _lowerCamelCase				: int  ,       ):
							__a		:		Tuple									=       np.zeros(img.shape					)
							__a		:		Optional[int]									=       get_gauss_kernel(_lowerCamelCase  ,       _lowerCamelCase					)
							__a							,     __a		:		int									=       img.shape
							for i in range(kernel_size // 2  ,       size_x - kernel_size // 2					):
														for j in range(kernel_size // 2  ,       size_y - kernel_size // 2					):
																					__a		:		List[str]									=       get_slice(_lowerCamelCase  ,       _lowerCamelCase  ,       _lowerCamelCase  ,       _lowerCamelCase					)
																					__a		:		Any									=       img_s - img_s[kernel_size // 2, kernel_size // 2]
																					__a		:		Optional[Any]									=       vec_gaussian(_lowerCamelCase  ,       _lowerCamelCase					)
																					__a		:		Optional[Any]									=       np.multiply(_lowerCamelCase  ,       _lowerCamelCase					)
																					__a		:		Any									=       np.multiply(_lowerCamelCase  ,       _lowerCamelCase					)
																					__a		:		Tuple									=       np.sum(_lowerCamelCase					) / np.sum(_lowerCamelCase					)
																					__a		:		Optional[Any]									=       val
							return imga





def       __magic_name__    (   _lowerCamelCase				: list					):
							__a		:		Optional[Any]									=       args[1] if args[1:] else """../image_data/lena.jpg"""
							__a		:		Union[str, Any]									=       float(args[2]					) if args[2:] else 1.0
							__a		:		Optional[int]									=       float(args[3]					) if args[3:] else 1.0
							if args[4:]:
														__a		:		Any									=       int(args[4]					)
														__a		:		Any									=       kernel_size + abs(kernel_size % 2 - 1					)
							else:
														__a		:		Optional[int]									=       5
							return filename, spatial_variance, intensity_variance, kernel_size


if __name__ == "__main__":
	lowercase__   ,   lowercase__   ,   lowercase__   ,   lowercase__			   =  parse_args(sys.argv)
	lowercase__			   =  cva.imread(filename, 0)
	cva.imshow("input image", img)

	lowercase__			   =  img / 255
	lowercase__			   =  out.astype("float32")
	lowercase__			   =  bilateral_filter(out, spatial_variance, intensity_variance, kernel_size)
	lowercase__			   =  out * 255
	lowercase__			   =  np.uinta(out)
	cva.imshow("output image", out)
	cva.waitKey(0)
	cva.destroyAllWindows()

