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- image_initiale = open("joconde.pgm", "r")
- image_modifiee = open("joconde_rouge.pgm","w")
- # Magic Number
- ligne = image_initiale.readline()
- image_modifiee.write(ligne)
- # Commentaire
- ligne = image_initiale.readline()
- image_modifiee.write(ligne)
- # Commentaire
- ligne = image_initiale.readline()
- image_modifiee.write(ligne)
- # Lecture et modification des pixels
- for pixel in range(0, 60000):
- pixels = image_initiale.readline().split()
- pixels[1] = '0' # vert
- pixels[2] = '0' # bleu
- image_modifiee.write(' '.join(pixels) + "\n")
- ## On ferme les fichiers ouverts !
- image_initiale.close()
- image_modifiee.close()
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