numBytes = len(strOut) Steganography.steg(Helpers.stringToBitArray(strOut), False, fileName) elif mode == "desteg": fileName = raw_input('Would You Kindly Give the Name of the File:') strOut = "" f = open("mario.mid", "rb") try: byte = f.read(1) while byte != "": strOut = strOut + byte byte = f.read(1) finally: f.close() numBytes = len(strOut) Steganography.deStegToFile(numBytes, fileName) #TO PLAY, IT IS CONSIDERING THAT YOU HAVE Aria Maestosa copied to your applications folder pathApp = "/Applications/Aria Maestosa.app/Contents/MacOS/Aria Maestosa" pathFile = "output.mid" im = Image.open ("img/output.bmp") im.show() subprocess.call([pathApp, pathFile])