code: def _shorten_word(word, amount, letter_bits):
      # shorten a word by set amount of letters
      return word >> amount * letter_bits
  
file_path: sktime/sktime/transformations/panel/dictionary_based/_sfa_numba.py
imports: import math
  import numpy
  from sktime.utils.numba.njit import njit
label_desc: Use image node_id 9 for calling a global function with example usage: _shorten_word(word, amount, letter_bits) and returns: unknown