class_docstr: Dictionary proving ISO3166 code -> English name.
  
  >>> print(country_names['au'])
  Australia
class_docstr_tok: ["Dictionary","proving","ISO3166","code","-",">","English","name",".",">",">",">","print","(","country_names","[","'au","'","]",")","Australia"]
code: def _fill(self):
      data = {}
      zone_tab = open_resource("iso3166.tab")
      try:
          for line in zone_tab.readlines():
              line = line.decode("UTF-8")
              if line.startswith("#"):
                  continue
              code, name = line.split(None, 1)
              data[code] = name.strip()
          self.data = data
      finally:
          zone_tab.close()
  
imports: import sys
  import datetime
  import os.path
  from pytz.exceptions import AmbiguousTimeError
  from pytz.exceptions import InvalidTimeError
  from pytz.exceptions import NonExistentTimeError
  from pytz.exceptions import UnknownTimeZoneError
  from pytz.lazy import LazyDict, LazyList, LazySet
  from pytz.tzinfo import unpickler, BaseTzInfo
  from pytz.tzfile import build_tzinfo
label_desc: Use image node_id 1 for calling the _CountryNameDict obj's underlying member method code with example usage: obj._fill() without return types