code: def dump_sections(self, o, sup):
      retstr = ""
      if sup != "" and sup[-1] != ".":
          sup += "."
      retdict = self._dict()
      arraystr = ""
      for section in o:
          section = unicode(section)
          qsection = section
          if not re.match(r"^[A-Za-z0-9_-]+$", section):
              qsection = _dump_str(section)
          if not isinstance(o[section], dict):
              arrayoftables = False
              if isinstance(o[section], list):
                  for a in o[section]:
                      if isinstance(a, dict):
                          arrayoftables = True
              if arrayoftables:
                  for a in o[section]:
                      arraytabstr = "\n"
                      arraystr += "[[" + sup + qsection + "]]\n"
                      s, d = self.dump_sections(a, sup + qsection)
                      if s:
                          if s[0] == "[":
                              arraytabstr += s
                          else:
                              arraystr += s
                      while d:
                          newd = self._dict()
                          for dsec in d:
                              s1, d1 = self.dump_sections(
                                  d[dsec], sup + qsection + "." + dsec
                              )
                              if s1:
                                  arraytabstr += (
                                      "["
                                      + sup
                                      + qsection
                                      + "."
                                      + dsec
                                      + "]\n"
                                  )
                                  arraytabstr += s1
                              for s1 in d1:
                                  newd[dsec + "." + s1] = d1[s1]
                          d = newd
                      arraystr += arraytabstr
              else:
                  if o[section] is not None:
                      retstr += (
                          qsection
                          + " = "
                          + unicode(self.dump_value(o[section]))
                          + "\n"
                      )
          elif self.preserve and isinstance(
              o[section], InlineTableDict
          ):
              retstr += (
                  qsection + " = " + self.dump_inline_table(o[section])
              )
          else:
              retdict[qsection] = o[section]
      retstr += arraystr
      return (retstr, retdict)
  
imports: import datetime
  import re
  import sys
  from decimal import Decimal
  from toml.decoder import InlineTableDict
label_desc: Use image node_id 6 for calling the TomlEncoder obj's underlying member method code with example usage: obj.dump_sections(o, sup) and returns: retstr,  retdict