code: def all_fillchars():
      for i in range(0, 0x110002):
          c = check_fillchar(i)
          if c:
              yield c
  
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 4 for calling a global function with example usage: all_fillchars() without return types