Have you ever come across a bug where range(10) doesn't get to 10? Even if it is assumed knowledge, it doesn't seem to me to even approach the level of assumed

Have you ever come across a bug where range(10) doesn't get to 10? Even if it is assumed knowledge, it doesn't seem to me to even approach the level of assumed knowledge of time coming from a 'Foundation' library rather than... you know... a time library.