from cva import destroyAllWindows, imread, imshow, waitKey







def 	UpperCAmelCase       (		lowerCAmelCase_						,      lowerCAmelCase_       )	->	int:
     a			,							a  :    Tuple				=						img.shape[0], img.shape[1]

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

     def normalize(lowerCAmelCase_       ):
          return min(lowerCAmelCase_						,      2_5_5       )

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

     return img


if __name__ == "__main__":
  # read original image
  UpperCAmelCase							   =      {
      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()
from __future__ import annotations







def 	UpperCAmelCase       (		lowerCAmelCase_						,      lowerCAmelCase_						,      lowerCAmelCase_						,      )	->	list[float | int]:
     if not all((nth_term, start_term_a, common_ratio_r)       ):
          return []
     a  :    list[float | int]				=						[]
     a  :    str				=						1
     a  :    Dict				=						common_ratio_r
     for _ in range(int(lowerCAmelCase_       )       ):
          if not series:
               series.append(lowerCAmelCase_       )
          else:
               power += 1
               series.append(float(start_term_a * multiple       )       )
               a  :    Dict				=						pow(float(lowerCAmelCase_       )						,      lowerCAmelCase_       )
     return series


if __name__ == "__main__":
  import doctest

  doctest.testmod()

  UpperCAmelCase							   =      float(input("""Enter the last number (n term) of the Geometric Series"""))
  UpperCAmelCase							   =      float(input("""Enter the starting term (a) of the Geometric Series"""))
  UpperCAmelCase							   =      float(
      input("""Enter the common ratio between two terms (r) of the Geometric Series""")
  )
  print("""Formula of Geometric Series => a + ar + ar^2 ... +ar^n""")
  print(geometric_series(nth_term, start_term_a, common_ratio_r))