old_contents: from django.contrib.auth.models import User
  
  
  def user_new_str(self):
      return self.username if self.get_full_name() == "" else self.get_full_name()
  
  
  # Replace the __str__ method in the User class with our new implementation
  User.__str__ = user_new_str
new_contents: from django.contrib import admin
  from django.contrib.auth.models import User
  
  
  def user_new_str(self):
      return self.username if self.get_full_name() == "" else self.get_full_name()
  
  
  # Replace the __str__ method in the User class with our new implementation
  User.__str__ = user_new_str
  
  admin.site.site_header = 'SENKUMBA'
  admin.site.site_title = 'SENKUMBA'
  admin.site.index_title = 'SENKUMBA'
subject: Change titles for the site