code: def _open_and_read(fname):
      # opens a file, reads it, and make sure it's closed
      with open(fname, encoding="utf-8") as fin:
          fout = fin.read()
      return fout
  
imports: from statsmodels.compat.pandas import deprecate_kwarg
  import os
  import subprocess
  import tempfile
  import re
  from warnings import warn
  import pandas
  from statsmodels.tools.tools import Bunch
  from statsmodels.tools.sm_exceptions import X13NotFoundError, IOWarning, X13Error, X13Warning
label_desc: Use image node_id 11 for calling a global function with example usage: _open_and_read(fname) and returns: fout