
'''simple docstring'''


from cva import destroyAllWindows, imread, imshow, waitKey




def lowercase_		(				_lowercase     ,    _lowercase			)       ->							Any:
					'''simple docstring'''

					lowerCamelCase_   : Optional[int]       =						img.shape[0], img.shape[1]

					def to_grayscale(_lowercase     ,    _lowercase     ,    _lowercase			):
										return 0.21_26 * red + 0.5_87 * green + 0.1_14 * blue

					def normalize(_lowercase			):
										return min(_lowercase     ,    255			)

					for i in range(_lowercase			):
										for j in range(_lowercase			):
															lowerCamelCase_   : Tuple       =						int(to_grayscale(*img[i][j]			)			)
															lowerCamelCase_   : str       =						[
															    normalize(_lowercase			),
															    normalize(greyscale + factor			),
															    normalize(greyscale + 2 * factor			),
															]

					return img


if __name__ == "__main__":
					# read original image
					__lowercase							:				List[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()




'''simple docstring'''


def lowercase_		(				_lowercase			)       ->							int:
					'''simple docstring'''

					if not isinstance(_lowercase     ,    _lowercase			):
										raise TypeError('''recursive_lucas_number accepts only integer arguments.'''			)
					if n_th_number == 0:
										return 2
					if n_th_number == 1:
										return 1

					return recursive_lucas_number(n_th_number - 1			) + recursive_lucas_number(
					    n_th_number - 2			)




def lowercase_		(				_lowercase			)       ->							int:
					'''simple docstring'''

					if not isinstance(_lowercase     ,    _lowercase			):
										raise TypeError('''dynamic_lucas_number accepts only integer arguments.'''			)
					lowerCamelCase_, lowerCamelCase_   : List[Any]       =						2, 1
					for _ in range(_lowercase			):
										lowerCamelCase_, lowerCamelCase_   : Dict       =						b, a + b
					return a


if __name__ == "__main__":
					from doctest import testmod

					testmod()
					__lowercase							:				Any					=       int(input('''Enter the number of terms in lucas series:\n''').strip())
					print('''Using recursive function to calculate lucas series:''')
					print(''' '''.join(str(recursive_lucas_number(i)) for i in range(n)))
					print('''\nUsing dynamic function to calculate lucas series:''')
					print(''' '''.join(str(dynamic_lucas_number(i)) for i in range(n)))


