text: from datetime import datetime
  from time import time
  
  
  class mylog(object):
      def __init__(self, logFile='log/logFile', fileOutput=True, screenOutput=True, reset=False):
          self.__st = time()
          self.__logFile = logFile
          self.__fileOutput = fileOutput
          self.__screenOutput = screenOutput
          if (reset):
              f = open(logFile, "w")
  
      def get_start(self):
          return self.__st
  
      def set_start(self, st):
          self.__st = st
  
      def reset(self):
          self.__st = time()
  
      def get_time(self):
          return time() - self.__st
  
      def set_fileOutput(self, fileOutput):
          self.__fileOutput = fileOutput
  
      def set_screenOutput(self, screenOutput):
          self.__screenOutput = screenOutput
  
      def set_logFile(self, logFile):
          self.__logFile = logFile
  
      def log(self, msg, fileOutput=None, screenOutput=None):
          if fileOutput == None:
              fileOutput = self.__fileOutput
          if screenOutput == None:
              screenOutput = self.__screenOutput
  
          currentTime = self.get_time()
  
          if fileOutput == True:
              f = open(self.__logFile, "a+", encoding='utf-8')
              f.write(str(datetime.now()) + ' : ' + msg + '\n')
              f.close()
  
          if screenOutput == True:
              print("%15.4f" % currentTime, ':', msg)