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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def update_to_v24(self):
 """Convert older tags into an ID3v2.4 tag. This updates old ID3v2 frames to ID3v2.4 ones (e.g. TYER to TDRC). If you intend to save tags, you must call this function at some point; it is called by default when loading the tag. """


        self.__update_common()

        # TDAT, TYER, and TIME have been turned into TDRC.
        try:
            date = text_type(self.get("TYER", ""))
            if date.strip(u"\x00"):
                self.pop("TYER")
                dat = text_type(self.get("TDAT", ""))
                if dat.strip("\x00"):
                    self.pop("TDAT")
                    date = "%s-%s-%s" % (date, dat[2:], dat[:2])
                    time = text_type(self.get("TIME", ""))
                    if time.strip("\x00"):
                        self.pop("TIME")
                        date += "T%s:%s:00" % (time[:2], time[2:])
                if "TDRC" not in self:
                    self.add(TDRC(encoding=0, text=date))
        except UnicodeDecodeError:
            # Old ID3 tags have *lots* of Unicode problems, so if TYER
            # is bad, just chuck the frames.
            pass

        # TORY can be the first part of a TDOR.
        if "TORY" in self:
            f = self.pop("TORY")
            if "TDOR" not in self:
                try:
                    self.add(TDOR(encoding=0, text=str(f)))
                except UnicodeDecodeError:
                    pass

        # IPLS is now TIPL.
        if "IPLS" in self:
            f = self.pop("IPLS")
            if "TIPL" not in self:
                self.add(TIPL(encoding=f.encoding, people=f.people))

        # These can't be trivially translated to any ID3v2.4 tags, or
        # should have been removed already.
        for key in ["RVAD", "EQUA", "TRDA", "TSIZ", "TDAT", "TIME"]:
            if key in self:
                del(self[key])

        # Recurse into chapters
        for f in self.getall("CHAP"):
            f.sub_frames.update_to_v24()
        for f in self.getall("CTOC"):
            f.sub_frames.update_to_v24()