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A sub-class of dict that allows nested key access e.g. a['a.b.c']

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class collections.NestedDict(self, seq=None, **kwargs)

Return an instance of a dict subclass, supporting the usual dict methods. An NestedDict is a dict that that only supports keys of type str. Those keys may be nested by separating them with dots '.'. Hence a valid uses of NestedDict are:

>>> from nesteddict import NestedDict
>>> a=NestedDict()
>>> a['x.y.z']=1
>>> a
{'x': {'y': {'z': 1}}}
>>> a['x.y']
{'z': 1}

Non str keys will throw a KeyError exception.

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