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Returns a new QuerySet containing objects that match the given lookup parameters. Basically use get() when you want to get a single unique object, and filter() when you want to get all objects that match your lookup parameters.
This is because a Django QuerySet is a lazy object. It contains all of the information it needs to populate itself from the database, but will not actually do so until the information is needed.
A QuerySet is a collection of data from a database. A QuerySet is built up as a list of objects. QuerySets makes it easier to get the data you actually need, by allowing you to filter and order the data.
The difference is that filter returns a queryset object, wheras get returns the required object.
If you use filter(), you typically do this whenever you expect more than just one object that matches your criteria. If no item was found matching your criteria, filter() returns am empty queryset without throwing an error.
If you use get(), you expect one (and only one) item that matches your criteria. Get throws an error if the item does not exist or if multiple items exist that match your criteria. You should therefore always use if in a try.. except .. block or with a shortcut function like get_object_or_404 in order to handle the exceptions properly.
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