code: def get_version(root):
      
      version_json = os.path.join(root, 'version.json')
      if os.path.exists(version_json):
          with open(version_json, 'r') as version_json_file:
              return json.load(version_json_file)
      return None
docs: Load and return the contents of version.json.
  
      :param root: The root path that the ``version.json`` file will be opened
      :type root: str
      :returns: Content of ``version.json`` or None
      :rtype: dict or None