code: def strip_non_ascii(string):
      """Returns the string without non ASCII characters"""
      stripped = (c for c in string if 0 < ord(c) < 127)
      return "".join(stripped)
  
imports: from array import array
  import numbers
  from operator import itemgetter
  import numpy
  import pandas
  import scipy.sparse
  from sklearn.base import BaseEstimator, TransformerMixin
  from sklearn.externals import six
  from auto_ml.utils import CustomLabelEncoder
label_desc: Use image node_id 1 for calling a global function with example usage: strip_non_ascii(string) and returns: str