code: def test_lc_numeric_localeconv(self):
      # Test localeconv against known values
      tested = False
      for loc in candidate_locales:
          try:
              setlocale(LC_NUMERIC, loc)
              setlocale(LC_CTYPE, loc)
          except Error:
              continue
          formatting = localeconv()
          for lc in ("decimal_point", "thousands_sep"):
              if self.numeric_tester(
                  "localeconv", formatting[lc], lc, loc
              ):
                  tested = True
      if not tested:
          self.skipTest("no suitable locales")
  
file_path: cpython/Lib/test/test__locale.py
imports: from _locale import setlocale, LC_ALL, LC_CTYPE, LC_NUMERIC, localeconv, Error
  import locale
  import sys
  import unittest
  from platform import uname
  from test import support
label_desc: Use image node_id 5 for calling the _LocaleTests obj's underlying member method code with example usage: obj.test_lc_numeric_localeconv() without return types