John Machin wrote: > James Stroud wrote: > >>Daniel Nogradi wrote: >> >>>Is looping over a list of objects and modifying (adding an attribute >>>to) each item only possible like this? >>> >>>mylist = [ obj1, obj2, obj3 ] >>> >>>for i in xrange( len( mylist ) ): >>> mylist[i].newattribute = 'new value' >>> >>> >>>I'm guessing there is a way to do this without introducing the (in >>>principle unnecessary) index i, so what I'm really looking for is a >>>looping method which doesn't pass references to the values of the >>>items but to the items themselves. >> >>You can use map, or if you don't map, like list comprehension: >> > > > Call me crazy, but isn't the simple construct > for obj in mylist: > obj.newattribute = 'new value' > what the OP was looking for? >
I thought he wanted a one liner. -- James Stroud UCLA-DOE Institute for Genomics and Proteomics Box 951570 Los Angeles, CA 90095 http://www.jamesstroud.com/ -- http://mail.python.org/mailman/listinfo/python-list
