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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 do_execute_direct(self, code: str, silent: bool = False) -> [str, dict]: """ This is the main method that takes code from the Jupyter cell and submits it to the SAS server :param code: code from the cell :param silent: :return: str with either the log or list """

        if not code.strip():
            return {'status': 'ok', 'execution_count': self.execution_count,
                    'payload': [], 'user_expressions': {}}

        if self.mva is None:
            self._allow_stdin = True
            self._start_sas()

        if self.lst_len < 0:
            self._get_lst_len()

        if code.startswith('Obfuscated SAS Code'):
            logger.debug("decoding string")
            tmp1 = code.split()
            decode = base64.b64decode(tmp1[-1])
            code = decode.decode('utf-8')

        if code.startswith('showSASLog_11092015') == False and code.startswith("CompleteshowSASLog_11092015") == False:
            logger.debug("code type: " + str(type(code)))
            logger.debug("code length: " + str(len(code)))
            logger.debug("code string: " + code)
            if code.startswith("/*SASKernelTest*/"):
                res = self.mva.submit(code, "text")
            else:
                res = self.mva.submit(code, prompt=self.promptDict)
                self.promptDict = {}
            if res['LOG'].find("SAS process has terminated unexpectedly") > -1:
                print(res['LOG'], '\n' "Restarting SAS session on your behalf")
                self.do_shutdown(True)
                return res['LOG']

            output = res['LST']
            log = res['LOG']
            return self._which_display(log, output)
        elif code.startswith("CompleteshowSASLog_11092015") == True and code.startswith('showSASLog_11092015') == False:
            full_log = highlight(self.mva.saslog(), SASLogLexer(),
                                 HtmlFormatter(full=True, style=SASLogStyle, lineseparator="<br>",
                                               title="Full SAS Log"))
            return full_log.replace('\n', ' ')
        else:
            return self.cachedlog.replace('\n', ' ')