[docs] [issue24842] Mention SimpleNamespace in namedtuple docs

[Chris Rebert]

New submission from Chris Rebert:

There is a cross-reference to namedtuple in SimpleNamespace's docs, but not vice-versa, despite these types being fairly similar.

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assignee: docs at python
components: Documentation
messages: 248389
nosy: cvrebert, docs at python
priority: normal
severity: normal
status: open
title: Mention SimpleNamespace in namedtuple docs
type: enhancement
versions: Python 3.6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24842>
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