code: def parse_cfg(self):
          
          self.cfgparser = ConfigParser()
          if not self.cfgparser.read(self.options.config):
              raise SystemExit('config file %s not found.'%self.options.config) 
  
          # Change the current working directory to be relative to 'experiments.cfg'
          projectDir = os.path.dirname(self.options.config)
          projectDir = os.path.abspath(projectDir)
          os.chdir(projectDir)
docs: parses the given config file for experiments.