Choose what do to file by file

def question(self, n):
        """Choose what do to file by file
        """
        print("")
        prompt_ask = raw_input("{0} [K/O/R/D/M/Q]? ".format(n))
        print("")
        if prompt_ask in ("K", "k"):
            self.keep()
        elif prompt_ask in ("O", "o"):
            self._overwrite(n)
        elif prompt_ask in ("R", "r"):
            self._remove(n)
        elif prompt_ask in ("D", "d"):
            self.diff(n)
            self.i -= 1
        elif prompt_ask in ("M", "m"):
            self.merge(n)
        elif prompt_ask in ("Q", "q", "quit"):
            self.quit()