try:
    type_work = input('select type: \n\t1.(encodin)\n\t2.(decoding)\n(1/2) : ')
    if type_work == '1':
        path = input('path : ')
        l = []
        with open(path, 'rb') as f:
            info = f.read()
            print(info)
            l = [i + 18 for i in info]
        # print(l)
        # l = [i - 18 for i in l]
        # print(bytes(l))
        with open('encoding_bin.bin', 'wb') as f:
            f.write(bytes(l))
            print('encoding sucsses.')
    if type_work == '2':
        path = input('path : ')
        l = []
        with open(path, 'rb') as f:
            info = f.read()
            l = [i - 18 for i in info]
        with open('decoding_bin.bin', 'wb') as f:
            f.write(bytes(l))
            print('encoding sucsses.')

except:
    print('error')