docstr: Method called after executing each block.
docstr_tok: ["Method","called","after","executing","each","block","."]
code: def post_cmd(self):
      """Method called after executing each block."""
      pass
  
imports: from __future__ import unicode_literals
  from __future__ import print_function
  import os
  import re
  import shlex
  import sys
  from IPython.utils import io
  from IPython.utils.text import marquee
  from IPython.utils import openpy
  from IPython.utils import py3compat
label_desc: Use image node_id 18 for calling the Demo obj's underlying member method code with example usage: obj.post_cmd() without return types