def grook_reader ( ):

#
#  Open and close file.
#
  print ( '  Use open/close' )
  file = open ( 'grook.txt' )
  for line in file:
    print ( line )
  file.close ( )
#
#  Use the "with" statement.
#
  print ( '  Use with open' )
  with open ( 'grook.txt', 'r' ) as file:
    for line in file:
      print ( line )