from PIL import Imageimport argparseascii_char = list("$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\|()1{}[]?-_+~<>i!lI;:,\"^`'.")def get_char(r,g,b,alpha = 256):    if alpha == 0 :        return ''    length = len(ascii_char)    gray = int(0.2126 * r + 0.7152 * g + 0.0722 * b)    unit = (256.0 + 1)/length    return ascii_char[int(gray/unit)]parser = argparse.ArgumentParser()parser.add_argument('file')parser.add_argument('-o','--output')parser.add_argument('--width',type = int,default = 80)parser.add_argument('--height',type = int,default = 80)args = parser.parse_args()IMG = args.fileWIDTH = args.widthHEIGHT = args.heightOUTPUT = args.outputif __name__ == '__main__':    im = Image.open(IMG)    im = im.resize((WIDTH,HEIGHT),Image.NEAREST)    txt = ''    for i in range(HEIGHT):        for j in range(WIDTH):            txt += get_char(*im.getpixel((j,i)))        txt += '\n'     print(txt)    if OUTPUT:        with open(OUTPUT,'w') as f:            f.write(txt)    else:        with open('output.txt','w') as f:            f.write(txt)