code: def init_fl_context(id, target="localhost:8980"):
      callBigDlFunc("float", "initFLContext", id, target)
  
file_path: BigDL/python/ppml/src/bigdl/ppml/fl/utils.py
imports: from bigdl.dllib.utils.common import *
  import unittest
  import socket
  from bigdl.dllib.utils.log4Error import invalidOperationError
label_desc: Use image node_id 1 for calling a global function with example usage: init_fl_context(id, target) without return types