Saving data from a post request using nested DRF serializers

Here is my problem im gelreat details : https://stackoverflow.com/questions/76112118/django-rest-frameworks-nested-serializers-post-request-foreignkey-error -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop

drf serializers

how to count manytomany field items in serializers.py? -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To view this di