Getting SHA1 checksum of multiple files python

i am trying to get SHA1 checksum of multiple files.

I tried solution form this thread Generating one MD5/SHA1 checksum of multiple files in Python

So i put together following:

    MainScene = "C:/MainScene.xml"
    MainScreen = "C:/MainScreen.xml"
    Main = "C:/main.brs"
    Manifest = "C:/manifest"
    flist= [MainScene,MainScreen,Main,Manifest]
    hash_obj = hashlib.sha1(open(flist[0], 'rb').read())
    for fname in flist[1:]:
        hash_obj.update(open(fname, 'rb').read())
    checksum = hash_obj.digest()
    print checksum

But output would be:

But it gives me wrong results:

'\xdcRjgd\xcb"1\xadZ\x88\xf2\xb6\x18\xd7i)\x19\xc7)'

Wich is not correct, i think that issue is with my files list, can someone please tell me what is wrong about it ?