Roy Smith wrote: > But, in a nutshell, the biggest reason for immutable types (tuples and > strings) is that this lets they be dictionary keys.
if you think that's the biggest reason, you haven't spent enough time working on high-performance Python code and extensions (there's a reason why some languages adopt a "you can only assign to a variable once" approach). </F> -- http://mail.python.org/mailman/listinfo/python-list
