code: def in_interactive_session():
      
      from pandas import get_option
  
      def check_main():
          try:
              import __main__ as main
          except ModuleNotFoundError:
              return get_option('mode.sim_interactive')
          return (not hasattr(main, '__file__') or
                  get_option('mode.sim_interactive'))
  
      try:
          return __IPYTHON__ or check_main()  # noqa
      except NameError:
          return check_main()
docs: check if we're running in an interactive shell
  
      returns True if running under python/ipython interactive shell