docstr: add a header level 2 into the section
  
  Args:
      text(str): header level 2 in the report
docstr_tok: ["add","a","header","level","2","into","the","section","Args",":","text","(","str",")",":","header","level","2","in","the","report"]
code: def add_header_level_2(self, text: str):
      """
      add a header level 2 into the section
  
      Args:
          text(str): header level 2 in the report
      """
      from xai.formatter.contents import Header
  
      self.contents.append(Header(text=text, level=Header.LEVEL_2))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  from typing import Tuple, Dict, List
  from xai.data import explorer
  from xai import MODE
label_desc: Use image node_id 6 for calling the Section obj's underlying member method code with example usage: obj.add_header_level_2(text) without return types