class_docstr: String with various indexes.
docstr: Returns a np array with indices to id_ (int) occurrences
code: def string_position(self, id_):
      """Returns a np array with indices to id_ (int) occurrences"""
      if self.bow:
          return self.string_start[self.positions[id_]]
      else:
          return self.string_start[[self.positions[id_]]]
  
imports: from functools import partial
  import itertools
  import json
  import re
  import numpy
  import scipy
  import sklearn
  from sklearn.utils import check_random_state
  from .None import explanation
  from .None import lime_base
label_desc: Use image node_id 5 for calling the IndexedString obj's underlying member method code with example usage: obj.string_position(id_) and returns: self, self