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treyhunner/remove from ChainMap

Created February 20, 2016 01:08
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Removing items from a ChainMap
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remove from 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['page_name'] = "About Page"
>>> context['page_name']
'About Page'
>>> del context['page_name']
>>> context['page_name']
'Profile Page'
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