On Feb 21, 2005, at 10:29 PM, Charles Hartman wrote:
On Feb 21, 2005, at 9:15 PM, Bob Ippolito wrote:
Note that strings are immutable in Python, and if "Dict" has strings for values then the copy-by-slice is extraneous. There's no reason to make a copy of an object that can't possibly be changed. I'm pretty sure that slicing a string like that is going to return the same object anyway.
The value (not the key) is a list of strings. The strings are immutable, but (if I understand rightly) the list is not. Without the slice-copy, when I later replace one of the strings *in* the list, the dictionary's own list gets changed.
Yeah, that's correct. I had misread the part of your post that said the values were lists.
-bob
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