






from cva import destroyAllWindows, imread, imshow, waitKey







def   SCREAMING_SNAKE_CASE       (				snake_case_      :							List[str]     ):
	# getting number of pixels in the image
	snake_case__,		snake_case__				:   Optional[int]     =						img.shape[0], img.shape[1]

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

	return img


if __name__ == "__main__":
	# read original image
	__lowerCamelCase      :    Optional[Any]   		=   imread("""image_data/lena.jpg""", 1)

	# convert to its negative
	__lowerCamelCase      :    Optional[Any]   		=   convert_to_negative(img)

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











import copy
from dataclasses import dataclass, field
from typing import ClassVar, Dict

from ..features import ClassLabel, Features, Value
from .base import TaskTemplate



@dataclass(frozen=UpperCamelCase_		)
class 							SCREAMING_SNAKE_CASE__		(       UpperCamelCase_		):





					"""simple docstring"""






					a_			=	field(default="text-classification"				,     metadata={"include_in_asdict_even_if_is_default": True}		)
					a_			=	Features({"text": Value("string"		)}		)
					a_			=	Features({"labels": ClassLabel}		)
					a_			=	"text"
					a_			=	"labels"



					def  _lowercase  (      self  :						Tuple							,	__A  :						List[Any] ):
						if self.label_column not in features:
							raise ValueError(f'''Column {self.label_column} is not present in features.''' )
						if not isinstance(features[self.label_column]							,	__A ):
							raise ValueError(f'''Column {self.label_column} is not a ClassLabel.''' )
						snake_case__				:   Any     =						copy.deepcopy(self )
						snake_case__				:   Optional[Any]     =						self.label_schema.copy()
						snake_case__				:   List[str]     =						features[self.label_column]
						snake_case__				:   Dict     =						label_schema
						return task_template






					@property
					def  _lowercase  (      self  :						Tuple ):
						return {
						    self.text_column: "text",
						    self.label_column: "labels",
						}



