Add admin screen

core/admin.py

 from django.contrib import admin
+from core.models import *
 
 # Register your models here.
+
+class AlbumAdmin(admin.ModelAdmin):
+    list_display = ('album_name', 'artist', 'year')
+
+class ArtistAdmin(admin.ModelAdmin):
+    list_display = ('id', 'name')
+
+class SongAdmin(admin.ModelAdmin):
+    list_display = ('song_name', 'artist_name', 'artist_id')
+    def artist_id(self, obj):
+        return obj.artist.id
+    def artist_name(self, obj):
+        return obj.artist.name
+
+admin.site.register(Album, AlbumAdmin)
+admin.site.register(Song, SongAdmin)
+admin.site.register(Artist, ArtistAdmin)
\ No newline at end of file