I think you mean 4 points connected to make 1 line? ...unless you didn't divulge other necessary info.
Anyway, yes, you can define an array object into which you load point objects and use that with python to define geometry...either line or polygon, depending on the geom type you are attempting to load into. There are details well-documented online, see geometry methods, working w/ geometry and the insert cursor. Also, there is an interesting 'Create Features From Text File' which I think is deprecated, not sure, but you should be able to find that code and gives pretty good insight on how python geom methods work.