code: def remember_password(ctx, forget, clear_all):
      
      controller = ctx.obj['controller']
      settings = ctx.obj['settings']
      keys = settings.setdefault('keys', {})
      if clear_all:
          del settings['keys']
          settings.write()
          click.echo('All passwords have been cleared.')
      elif forget:
          if controller.id in keys:
              del keys[controller.id]
              settings.write()
          click.echo('Password forgotten.')
      else:
          ensure_validated(ctx, remember=True)
docs: Manage local password storage.
  
      Store your YubiKeys password on this computer to avoid having to enter it
      on each use, or delete stored passwords.