new_contents: from percept.management.commands import BaseCommand
  
  class Command(BaseCommand):
      help = "Runs a Python interactive interpreter."
  
      def command(self, **options):
          from IPython.frontend.terminal.ipapp import TerminalIPythonApp
          app = TerminalIPythonApp.instance()
          app.initialize(argv=[])
          app.start()
  
subject: Add in shell command