code: def locals_unset(var_names):
      """unsetting the used in the cell local vars is useful
      * at the very beginning of the cell, which helps with re-running the same cell over and over again (e.g. if there are heavy GPU RAM vars)
      * at the very end of the cell, not to impact following cells if cells are run in sequences (primarily useful for tests)
      """
      l = get_callers_locals()
      for v in var_names:
          if v in l:
              del l[v]
  
imports: import numpy
  import torch
  import re, gc
  from math import isclose
  import inspect
label_desc: Use image node_id 7 for calling a global function with example usage: locals_unset(var_names) without return types