code: def connect(com, peers, tree, pub_url, root_id):
      """this function will be called on the engines"""
      com.connect(peers, tree, pub_url, root_id)
  
imports: import ipyparallel
  from bintree import bintree, print_bintree
label_desc: Use image node_id 1 for calling a global function with example usage: connect(com, peers, tree, pub_url, root_id) without return types