code: def save_and_scan(filename, b64_data):
      
      with NTFile(suffix="_"+os.path.basename(filename), mode="wb") as ifile:
          ifile.write(
              b64decode(b64_data)
          )
          ifile.flush()
  
          os.chmod(ifile.name, 0755)
  
          return scan_file(ifile.name)
docs: Save `b64_data` to temporary file and scan it for viruses.
  
      Args:
          filename (str): Name of the file - used as basename for tmp file.
          b64_data (str): Content of the file encoded in base64.
  
      Returns:
          dict: ``{filename: ("FOUND", "virus type")}`` or blank dict.