code: def _generate_anonymous_column(self, suf):
      if self._site_name:
          return SPLICES.join([self._site_name, suf])
      else:
          return SPLICES.join([DEFAULT_SITE_NAME, suf])
  
file_path: FATE/python/fate/arch/dataframe/manager/utils/_anonymous_generator.py
imports: import copy
  import pandas
label_desc: Use image node_id 2 for calling the AnonymousGenerator obj's underlying member method code with example usage: obj._generate_anonymous_column(suf) and returns: SPLICES, SPLICES