Django: get related set from a related set of a model

Django: get related set from a related set of a model

References

Reference NO 1

https://docs.djangoproject.com/en/dev/ref/models/relations/

Reference NO 2

http://stackoverflow.com/questions/15187845/django-get-related-set-from-a-related-set-of-a-model

Reference NO 3

http://stackoverflow.com/questions/9037710/django-query-get-related-set-count

Reference NO 4

http://stackoverflow.com/questions/12014704/iterating-over-related-objects-in-django-loop-over-query-set-or-use-one-liner-s

Reference NO 5

http://stackoverflow.com/questions/2233883/get-all-related-django-model-objects

Reference NO 6

http://www.djangobook.com/en/2.0/chapter10.html

Reference NO 7

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Reference NO 8

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