On Mon, 21 Sep 2009 16:33:08 -0400, Jack Diederich wrote: >> AIUI, as a python string is imutable, a slice of a string is a >> new string which points (C char *) to the start of the slice data >> and with a length that is the length of the slice, about 8 bytes >> on 32 bit machine. > > Not in CPython. While some special strings are re-used (empty string, > single letters) if you take a slice of an existing string a new buffer > is allocated and the slice memcpy'd into it.
Er, why? I can understand doing this for mutable sequences, but it doesn't seem to make much sense for strings. -- http://mail.python.org/mailman/listinfo/python-list