code: def __init__(
      self,
      ngram_n=13,
      window_to_remove=200,
      too_dirty_cutoff=10,
      minimum_slice_length=200,
      delete_chars=string.punctuation,
  ):
      self.ngram_n = ngram_n
      self.window_to_remove = window_to_remove
      self.too_dirty_cutoff = too_dirty_cutoff
      self.minimum_slice_length = minimum_slice_length
      self.delete_chars = delete_chars
  
      self.dirt_ngrams = set()
  
      # If in python, we'll translate uppercase to lowercase and delete naughty characters.
      # This is fast by python standards
      # https://stackoverflow.com/questions/638893/what-is-the-most-efficient-way-in-python-to-convert-a-string-to-all-lowercase-st
      self.translation_table = str.maketrans(
          string.ascii_lowercase
          + string.ascii_uppercase,  # These characters
          string.ascii_lowercase * 2,  # Become these characters
          self.delete_chars,  # These are deleted
      )
  
imports: import re
  import string
  import timeit
  import pickle
  import traceback
  from pprint import pprint
label_desc: Use image node_id 1 to create a new Janitor object  with example: obj = Janitor(ngram_n, window_to_remove, too_dirty_cutoff, minimum_slice_length, delete_chars)