New to Python: Features

[Cameron Laird]

In article <mailman.4307.1096949563.5135.python-list at python.org>,
Josiah Carlson  <jcarlson at uci.edu> wrote:
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>> 31. Concepts of Protocols (whereby one may organize related methods into 
>> groups and check whether a particular object implements the methods 
>> within this protocol), or Interfaces similar to those in Java whereby 
>> classes or objects which implement the interface (sign the contract) 
>> must implement the methods and attributes as specified in the interface, 
>> and/or programming by contract such as in Eiffel (see: 
>> http://www.devhood.com/tutorials/tutorial_details.aspx?tutorial_id=595)
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>No.  Test-driven development is the norm in Python.
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... but see <URL: http://www.pypackage.org/packages/python-dbc >
for one among several DbC initiatives.