code: def _format_mid(member_id_int):
      return "MID" + str(member_id_int)
  
imports: import logging
  import os
  from collections import defaultdict
  import eta.core.utils
  import eta.core.web
  import pandas
  import fiftyone
  import fiftyone.core.utils
  import fiftyone.utils.data
  from fiftyone.core.expressions import ViewField
  from fiftyone.core.expressions import VALUE
label_desc: Use image node_id 8 for calling a global function with example usage: _format_mid(member_id_int) and returns: unknown