code: def strip_newsgroup_header(text):
      """
      Given text in "news" format, strip the headers, by removing everything
      before the first blank line.
      """
      _before, _blankline, after = text.partition("\n\n")
      return after
  
imports: import os
  import logging
  import tarfile
  import pickle
  import shutil
  import re
  import codecs
  import numpy
  import scipy.sparse
  from .base import get_data_home
  from .base import Bunch
  from .base import load_files
  from .base import _pkl_filepath
  from ..utils import check_random_state
  from ..feature_extraction.text import CountVectorizer
  from ..preprocessing import normalize
  from ..externals import joblib, six
label_desc: Use image node_id 2 for calling a global function with example usage: strip_newsgroup_header(text) and returns: after