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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def image(self,path_img):
 """ Open image file """

        im_open = Image.open(path_img)
        im = im_open.convert("RGB")
        # Convert the RGB image in printable image
        pix_line, img_size = self._convert_image(im)
        self._print_image(pix_line, img_size)