There are a lot of things like this in the boltons library: https://boltons.readthedocs.io/en/latest/iterutils.html#boltons.iterutils.windowed_iter https://bolt

There are a lot of things like this in the boltons library: https://boltons.readthedocs.io/en/latest/iterutils.html#boltons.iterutils.windowed_iter https://boltons.readthedocs.io/en/latest/iterutils.html#bolt... It's nice to not have to depend on anything external, but boltons is something I just treat as an expanded part of the standard library.