On 2016-02-23, Chris Angelico <ros...@gmail.com> wrote: > On Tue, Feb 23, 2016 at 11:08 AM, Jon Ribbens ><jon+use...@unequivocal.co.uk> wrote: >>> If you generate 2**128 + 1 such numbers, you are *guaranteed* to >> >> ... have expired due to the heat death of the universe. > > Maybe... but by the time you get to 2**64 of them, you have a 50% > chance of a collision. (That's either utterly intuitive or completely > counter-intuitive, depending on who you are.)
Um, did you mean to say 2**127? Are you thinking of the birthday paradox or something, which doesn't apply here? -- https://mail.python.org/mailman/listinfo/python-list
