Django Rest Framework API #22 / Many To Many Relationship , Nested Data

Django Rest Framework API Model Relationships
How to implement ManyToMany Relationship to link multiple objects of one model with multiple objects of another.?
How to get data for nested fields?
How to create nested field data using nested serializer?
How to override create method to handle the nested data represented by the ManyToMany relationship.

Source Code: https://github.com/CodeEnvironment/django-rest-framework-code

Many To One relationship Video:
https://www.youtube.com/watch?v=nB1MczHlweA&t

One To One relationship Video:
https://www.youtube.com/watch?v=c5_KeiijMn0&t

Видео Django Rest Framework API #22 / Many To Many Relationship , Nested Data канала Code Environment