code: def list_users():
      
      users = user_manager.all()
      if users:
          print_table(
              ['ID', 'Email', 'Active', 'Confirmed At'],
              [(user.id,
                user.email,
                'True' if user.active else 'False',
                user.confirmed_at.strftime('%Y-%m-%d %H:%M%z')
                  if user.confirmed_at else 'None',
                ) for user in users])
      else:
          click.echo('No users found.')
docs: List users.