code: def RunNet(name, num_iter=1, allow_fail=False):
      """Runs a given net.
  
      Inputs:
        name: the name of the net, or a reference to the net.
        num_iter: number of iterations to run
        allow_fail: if True, does not assert on net exec failure but returns False
      Returns:
        True or an exception.
      """
      return CallWithExceptionIntercept(
          C.run_net,
          C.Workspace.current._last_failed_op_net_position,
          GetNetName(name),
          StringifyNetName(name),
          num_iter,
          allow_fail,
      )
  
imports: import collections
  import contextlib
  from google.protobuf.message import Message
  from multiprocessing import Process
  import os
  from collections import defaultdict
  import logging
  import numpy
  from past.builtins import basestring
  import shutil
  import socket
  import tempfile
  from caffe2.proto import caffe2_pb2
  from caffe2.python import scope, utils
  from caffe2.python.lazy import TriggerLazyImport
  import caffe2.python._import_c_extension
label_desc: Use image node_id 15 for calling a global function with example usage: RunNet(name, num_iter, allow_fail) and returns: CallWithExceptionIntercept