code: def group_content(content, namespace, grpname, grpnodetype):
      
      with common.preserve_namespace(namespace):
          grpnode = cmds.createNode(grpnodetype, name=grpname) # create grp node
          cmds.group(content, uag=grpnode) # group content
      return grpnode
docs: Group the given content in the given namespace under a node of type
      grpnodetype with the name grpname
  
      :param content: the nodes to group
      :type content: :class:`list`
      :param namespace: the namespace to use
      :type namespace: str | None
      :param grpname: the name of the new grpnode
      :type grpname: str
      :param grpnodetype: the nodetype for the grpnode
      :type grpnodetype: str
      :returns: the created group node
      :rtype: str
      :raises: None