"r.e.s." <r.s at XXmindspring.com> wrote in message news:l08Ab.449$_r6.361 at newsread1.news.pas.earthlink.net... > Just curious ... > > On a given machine, is it possible to create objects LO and HI, > such that for all objects x, id(LO) <= id(x) <= id(HI) ? You have no control over the id of PyObjects. id's are mostly for internal use of the interpreter. tjr