old_contents: from django.contrib import admin
  
  from . import models
  
  
  @admin.register(models.Person)
  class Person(admin.ModelAdmin):
      search_fields = ['name', 'surname']
  
      list_display = ('id',
                      'name',
                      'surname',
                      'phone_number',
                      'birthday',
                      'age')
  
  
  @admin.register(models.Group)
  class Group(admin.ModelAdmin):
      search_fields = ['group_name']
  
      list_display = ('id', 'group_name')
  
  
  @admin.register(models.Enrolment)
  class Enrolment(admin.ModelAdmin):
      search_fields = ['group', 'person']
  
      list_display = ('group', 'person', 'created')
  
  
  @admin.register(models.Membership)
  class Membership(admin.ModelAdmin):
      list_display = (
          'id',
          'person',
          'id_card_status',
          'ss_card_status',
          'photo_status',
          'dpa_status',
          'membership_fee',
          'payment_status',
          'card_status',
      )
  
new_contents: from django.contrib import admin
  
  from . import models
  
  
  @admin.register(models.Person)
  class Person(admin.ModelAdmin):
      search_fields = ['name', 'surname']
  
      list_display = ('id',
                      'name',
                      'surname',
                      'phone_number',
                      'birthday',
                      'age')
  
  
  @admin.register(models.Group)
  class Group(admin.ModelAdmin):
      search_fields = ['group_name']
  
      list_display = ('id', 'group_name')
  
  
  @admin.register(models.Enrolment)
  class Enrolment(admin.ModelAdmin):
      search_fields = ['group', 'person']
  
      list_display = ('group', 'person', 'created')
  
  
  @admin.register(models.Membership)
  class Membership(admin.ModelAdmin):
      list_display = (
          'id',
          'person',
          'id_card_status',
          'ss_card_status',
          'photo_status',
          'dpa_status',
          'membership_fee',
          'payment_status',
          'card_status',
          'membership_status',
      )
  
subject: Añade a la vista admin membership_status