text: from django.contrib import admin
  
  from .models import Contact, Client
  
  
  class ContactInLine(admin.StackedInline):
      model = Contact
      extra = 1
  
  
  class ClientAdmin(admin.ModelAdmin):
      list_display = ('name', 'type')
      inlines = [
          ContactInLine,
      ]
  
  
  class ContactAdmin(admin.ModelAdmin):
      list_display = ('name', 'email', 'phone', 'mobile', 'client')
  
  
  admin.site.register(Client, ClientAdmin)
  admin.site.register(Contact, ContactAdmin)
  