code: def demangle(name: str) -> str:
      """
      Note: Unlike PackageMangler.demangle, this version works on any
      mangled name, irrespective of which PackageMangler created it.
      """
      if is_mangled(name):
          first, sep, last = name.partition(".")
          # If there is only a base mangle prefix, e.g. '<torch_package_0>',
          # then return an empty string.
          return last if len(sep) != 0 else ""
      return name
  
file_path: pytorch/torch/package/_mangling.py
imports: import re
label_desc: Use image node_id 2 for calling a global function with example usage: demangle(name) and returns: name, unknown