code: def prep(config=None, path=None):
      
      if config is None:
          config = parse()
      if path is None:
          path = os.getcwd()
      root = config.get('root', 'path')
      root = os.path.join(path, root)
      root = os.path.realpath(root)
      os.environ['SCIDASH_HOME'] = root
      if sys.path[0] != root:
          sys.path.insert(0, root)
docs: Prepare to read the configuration information.