Python 3.0 was released in 2008 and was a major revision of the language that is not completely backward-compatible.
[M]Python 3.0[/M] was released in 2008 and [M]was a major revision of the language that is not completely backward-compatible[/M].[SEP][M]Python 3.0[/M] was released in 2008 and [M]was a major revision of the language[/M] that is not completely backward-compatible.[SEP][M]Python 3.0 was released in 2008[/M] and was a major revision of the language that is not completely backward-compatible.