new_contents: #imports notebook and sys that is operating 
  #system module
  import sys
  from notebook import Notebook, Note
  
  #menu class for displaying interface
  class Menu:
      def __init__(self):
          self.notebook = Notebook()
          self.choices = {
              '1': self.show_notes,
              '2': self.search_notes,
              '3': self.add_note,
              '4': self.modify_note,
              '5': self.quit
          }
  
      def display_menu(self):
          print('''
  Notebook Menu
  1. Show all Notes
  2. Search Notes
  3. Add Note
  4. Modify Note
  5. Quit
  ''')
  
      def run(self):
  
          while True:
              self.display_menu()
              choice = input('Enter an option: ')
              action = self.choices.get(choice)
              if action:
                  action()
              else:
                  print('{0} is not a valid choice'.format(choice))
  
      def show_notes(self, note=None):
          if not note:
              notes = self.notebook.notes
          for note in notes:
              print('{0}: {1}\n{2}'.format(
                  note.id, note.tags, note.memo))
  
      def search_notes(self):
          filter = input('Seach for: ')
          notes = self.notebook.search(filter)
          self.show_notes(notes)
  
      def add_note(self):
          memo = input('Enter a memo: ')
          self.notebook.new_note(memo)
          print('Your note has been added.')
  
      def modify_note(self):
          id = input('Enter a note id: ')
          memo = input('Enter a memo: ')
          tags = input('Enter a tags: ')
          if memo:
              self.notebook.modify_memo(id, memo)
          if tags:
              self.notebook.modify_memo(id, tags)
  
      def quit(self):
          print('Thank you for using your notebook today.')
          sys.exit(0)
  
  if __name__ == '__main__':
      Menu().run()
  
subject: Create menu.py