code: def rand_locale():
      try:
          loc = random.choice(locale_list)
          locale.setlocale(locale.LC_ALL, loc)
      except locale.Error as err:
          pass
      active = sorted(random.sample(range(5), random.randrange(6)))
      s = ""
      have_align = 0
      for elem in active:
          if elem == 0:  # fill+align
              s += chr(random.randrange(32, 128))
              s += random.choice("<>=^")
              have_align = 1
          elif elem == 1:  # sign
              s += random.choice("+- ")
          elif elem == 2 and not have_align:  # zeropad
              s += "0"
          elif elem == 3:  # width
              s += str(random.randrange(1, 100))
          elif elem == 4:  # prec
              s += "."
              s += str(random.randrange(100))
      s += "n"
      return s
  
file_path: cpython/Modules/_decimal/tests/formathelper.py
imports: import os, sys, locale, random
  import platform, subprocess
  from test.support.import_helper import import_fresh_module
  from shutil import which
label_desc: Use image node_id 10 for calling a global function with example usage: rand_locale() and returns: s