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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 __set_log_file_name(self):
 """Automatically set logFileName attribute"""

        # ensure directory exists
        dir, _ = os.path.split(self.__logFileBasename)
        if len(dir) and not os.path.exists(dir):
            os.makedirs(dir)
        # create logFileName
        self.__logFileName = self.__logFileBasename+"."+self.__logFileExtension
        number = 0
        while os.path.isfile(self.__logFileName):
            if os.stat(self.__logFileName).st_size/1e6 < self.__maxlogFileSize:
                break
            number += 1
            self.__logFileName = self.__logFileBasename+"_"+str(number)+"."+self.__logFileExtension
        # create log file stram
        self.__logFileStream = None