On Fri, 29 Apr 2011 10:27:46 -0400, Roy Hyunjin Han firstname.lastname@example.org wrote:
It would be convenient if replacing items in a dictionary returns the new dictionary, in a manner analogous to str.replace(). What do you think?
This belongs on python-ideas, but the short answer is no. The general language design principle (as I understand it) is that mutable object do not return themselves upon mutation, while immutable objects do return the new object.
-- R. David Murray http://www.bitdance.com