code: def GetInstances(r, bulk=False):
      
  
      if bulk:
          return r.request("get", "/2/instances", query={"bulk": 1})
      else:
          instances = r.request("get", "/2/instances")
          return r.applier(itemgetters("id"), instances)
docs: Gets information about instances on the cluster.
  
      @type bulk: bool
      @param bulk: whether to return all information about all instances
  
      @rtype: list of dict or list of str
      @return: if bulk is True, info about the instances, else a list of instances