code: def find_index_of(list_input, item):
      output = -1
      try:
          output = list_input.index(item)
      except ValueError:
          pass
      return output
  
imports: import pickle
  from typing import List
  import numpy
  from nemo.collections.common.tokenizers.column_coder import ColumnCodes
  from nemo.collections.common.tokenizers.tokenizer_spec import TokenizerSpec
label_desc: Use image node_id 1 for calling a global function with example usage: find_index_of(list_input, item) and returns: output