code: def convert_mbcs(s):
      dec = getattr(s, "decode", None)
      if dec is not None:
          try:
              s = dec("mbcs")
          except UnicodeError:
              pass
      return s
  
imports: import sys
  import os
  import warnings
  from .errors import DistutilsExecError, DistutilsPlatformError, CompileError, LibError, LinkError
  from .ccompiler import CCompiler, gen_lib_options
  from ._log import log
label_desc: Use image node_id 3 for calling a global function with example usage: convert_mbcs(s) and returns: s