code: def disturb_mem():
      # Allocate a time-dependent amount of objects to increase
      # chances of subsequently objects' ids changing from run
      # to run. This is useful for exposing issues that cause
      # non-deterministic behavior due to dependence on memory
      # addresses, like iterating over a dict or a set.
      global l
      now = datetime.now()
      ms = now.microsecond
      ms = int(ms)
      n = ms % 1000
      m = ms // 1000
      l = [[0] * m for i in xrange(n)]
  
imports: from __future__ import absolute_import, print_function, division
  from datetime import datetime
  from six.moves import xrange
label_desc: Use image node_id 1 for calling a global function with example usage: disturb_mem() without return types