On Fri, Apr 5, 2013 at 10:34 PM, inshu chauhan <insidesh...@gmail.com>wrote:
> Hello everyone, > > Here in my part of the code where cc is a dictionary. I want to understand > what actually cc.iterkeys() and cc[k] actually doing. > I am already reading > http://docs.python.org/2/library/stdtypes.html#dict.items > and http://www.tutorialspoint.com/python/python_dictionary.htm but still > not very clear. > > cc = Computesegclass(segimage, refimage) > for k in sorted(cc.iterkeys()): > i = argmax(cc[k]) > print >> f, i+1 > > Not sure what Computesegclass is but i am guessing that it is a class which implements __getitem__ and __setitem__, which allows the use of the square bracket notation cc[k], you could also write cc.__getitem__(k) , if you really wanted to. See http://docs.python.org/2/reference/datamodel.html#object.__getitem__ iterkeys returns an iterator over the dictionary keys, which is an object with a next method which returns each key in the dictionary until there are no more, then it raises StopIteration. > Thanks in Advance > > -- > http://mail.python.org/mailman/listinfo/python-list > > -- "The UNIX system has a command, nice ... in order to be nice to the other users. Nobody ever uses it." - Andrew S. Tanenbaum
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