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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 used_labels(self):
 """ Returns a list of required labels for this instruction """

        result = []

        tmp = self.asm.strip(' \n\r\t')
        if not len(tmp) or tmp[0] in ('#', ';'):
            return result

        try:
            tmpLexer = asmlex.lex.lex(object=asmlex.Lexer(), lextab='zxbasmlextab')
            tmpLexer.input(tmp)

            while True:
                token = tmpLexer.token()
                if not token:
                    break

                if token.type == 'ID':
                    result += [token.value]
        except:
            pass

        return result