Bugs item #1721372, was opened at 2007-05-18 10:10
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Category: Documentation
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Alan (aisaac0)
Assigned to: Nobody/Anonymous (nobody)
Summary: emphasize iteration volatility for set

Initial Comment:
For <URL:http://docs.python.org/lib/types-set.html>, append the following new 
sentence to the 2nd paragraph.

    Iteration over a set returns elements in an indeterminate order, which 
generally depends on factors outside the scope of the containing program.

*Justification:* users should not be expected to understand without being told 
that iteration order depends on factors outside the scope of the containing 
program. (Additionally, unlike the documentation for dictionaries, the 
documentation for sets fails to give a serious warning not to rely on iteration 
order.)


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