Learn how to work with date and time values using Python's datetime library, and how to avoid some of the gotchas and pitfalls of the datetime datatype.

so i want a date/time class that does math on times so i don't have to. like this: t1 = mytimeclass.time(10, 15) t2 = mytimeclass.time(4, 20) t3 = t2 - t1 ...or something. but the python datetime ...