import base64fin = open(r"D:\2.zip", "rb")fout = open(r"D:\2.x.txt", "w")base64.encode(fin, fout)fin.close()fout.close()fin = open(r"D:\2.x.txt", "r")fout = open(r"D:\2.x.zip", "wb")base64.decode(fin, fout)fin.close()fout.close()

    decode(input, output)        Decode a file.        decodestring(s)        Decode a string.        encode(input, output)        Encode a file.        encodestring(s)        Encode a string into multiple lines of base-64 data.