QueryDict.__init__(query_string=None, mutable=False, encoding=None) [source]
Instantiates a QueryDict object based on query_string.
>>> QueryDict('a=1&a=2&c=3')
<QueryDict: {'a': ['1', '2'], 'c': ['3']}>
If query_string is not passed in, the resulting QueryDict will be empty (it will have no keys or values).
Most QueryDicts you encounter, and in particular those at request.POST and request.GET, will be immutable. If you are instantiating one yourself, you can make it