docstr: Move the seek pointer back one block and re-execute.
docstr_tok: ["Move","the","seek","pointer","back","one","block","and","re-execute","."]
code: def again(self):
      """Move the seek pointer back one block and re-execute."""
      self.back(1)
      self()
  
imports: import os
  import re
  import shlex
  import sys
  import pygments
  from pathlib import Path
  from IPython.utils.text import marquee
  from IPython.utils import openpy
  from IPython.utils import py3compat
label_desc: Use image node_id 10 for calling the Demo obj's underlying member method code with example usage: obj.again() without return types