Author terry.reedy
Recipients benjamin.peterson, eric.araujo, georg.brandl, paddy3118, pitrou, terry.reedy
Date 2010-07-09.04:41:05
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I actually would challenge the first sentence "A pythonic programming style which determines an object’s type by inspection of its method or attribute signature ". To me, and at least some usage on python-list, duck-typing means determining the interface (not type) by calling methods and catching exceptions if not present. This is the EAFP rather than inspection/LBYL style of duck typing.

In 3.1: Python 3000 
Nickname for the Python 3.x release line (coined long ago when the release of version 3 was something in the distant future.) This is also abbreviated “Py3k”. 

I suspect this was backported at the same time.
Date User Action Args
2010-07-09 04:41:12terry.reedysetrecipients: + terry.reedy, georg.brandl, pitrou, paddy3118, benjamin.peterson, eric.araujo
2010-07-09 04:41:11terry.reedysetmessageid: <>
2010-07-09 04:41:09terry.reedylinkissue3214 messages
2010-07-09 04:41:06terry.reedycreate