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treyhunner/alter dict in ChainMap

Created February 20, 2016 01:09
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Altering dictionary within ChainMap
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alter dict in ChainMap
>>> from collections import ChainMap
>>> user_context = {'name': "Trey", 'website': "http://treyhunner.com"}
>>> global_context = {'name': "Anonymous User", 'page_name': "Profile Page"}
>>> context = ChainMap({}, user_context, global_context)
>>> context['name']
'Trey'
>>> user_context['name'] = "Guido"
>>> context['name']
'Guido'
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