





def 						lowerCamelCase__     (     UpperCamelCase__			:       int						)			-> int:



					'''simple docstring'''




					if a < 0:
										raise ValueError('Input value must be a positive integer'						)
					elif isinstance(UpperCamelCase__       ,    UpperCamelCase__						):
										raise TypeError('Input value must be a \'int\' type'						)
					return bin(UpperCamelCase__						).count('1'						)


if __name__ == "__main__":
					import doctest

					doctest.testmod()










from cva import destroyAllWindows, imread, imshow, waitKey





def 						lowerCamelCase__     (     UpperCamelCase__			:       Optional[int]						)			-> Optional[int]:



					'''simple docstring'''




					_snake_case							,     _snake_case									=				img.shape[0], img.shape[1]

					# converting each pixel's color to its negative
					for i in range(UpperCamelCase__						):
										for j in range(UpperCamelCase__						):
															_snake_case									=				[255, 255, 255] - img[i][j]

					return img


if __name__ == "__main__":
					# read original image
					UpperCAmelCase_      							=     imread("""image_data/lena.jpg""", 1)

					# convert to its negative
					UpperCAmelCase_      							=     convert_to_negative(img)

					# show result image
					imshow("""negative of original image""", img)
					waitKey(0)
					destroyAllWindows()



