
'''simple docstring'''





from cva import COLOR_BGR2GRAY, cvtColor, imread, imshow, waitKey
from numpy import divide, inta, multiply, ravel, sort, zeros_like

def   A			(							A_				:       Tuple     ,				A_				:       int=3							):
						snake_case							:  Any			=     int(mask / 2							)
						# copy image size
						snake_case							:  Dict			=     zeros_like(A_							)
						for i in range(A_     ,				gray_img.shape[0] - bd							):
												for j in range(A_     ,				gray_img.shape[1] - bd							):
																		# get mask according with mask
																		snake_case							:  Optional[Any]			=     ravel(gray_img[i - bd : i + bd + 1, j - bd : j + bd + 1]							)
																		# calculate mask median
																		snake_case							:  Dict			=     sort(A_							)[inta(divide((multiply(A_     ,				A_							))     ,				2							) + 1							)]
																		snake_case							:  Union[str, Any]			=     median
						return median_img


if __name__ == "__main__":
						# read original image
						UpperCAmelCase            = imread("../image_data/lena.jpg")
						# turn image in gray scale value
						UpperCAmelCase            = cvtColor(img, COLOR_BGR2GRAY)

						# get values with two different mask size
						UpperCAmelCase            = median_filter(gray, 3)
						UpperCAmelCase            = median_filter(gray, 5)

						# show result images
						imshow("median filter with 3x3 mask", medianaxa)
						imshow("median filter with 5x5 mask", medianaxa)
						waitKey(0)





from __future__ import annotations

import sys






def 	lowerCamelCase_       (			_a			):




		"""simple docstring"""






		if n < 0:
				raise ValueError('''Negative arguments are not supported'''			)
		return _fib(_a			)[0]






def 	lowerCamelCase_       (			_a			):




		"""simple docstring"""






		if n == 0:  # (F(0), F(1))
				return (0, 1)

		# F(2n) = F(n)[2F(n+1) − F(n)]
		# F(2n+1) = F(n+1)^2+F(n)^2
		lowerCAmelCase__	,      lowerCAmelCase__  :     Dict       	=   _fib(n // 2			)
		lowerCAmelCase__  :     Dict       	=   a * (b * 2 - a)
		lowerCAmelCase__  :     Union[str, Any]       	=   a * a + b * b
		return (d, c + d) if n % 2 else (c, d)


if __name__ == "__main__":
		lowerCamelCase		=						int(sys.argv[1])
		print(f'''fibonacci({n}) is {fibonacci(n)}''')




