def datetime_toString(dt): return dt.strftime("%Y-%m-%d-%H")
def string_toDatetime(string): return datetime.strptime(string, "%Y-%m-%d-%H")
def string_toTimestamp(strTime): return time.mktime(string_toDatetime(strTime).timetuple())
def timestamp_toString(stamp): return time.strftime("%Y-%m-%d-%H", tiem.localtime(stamp))
def datetime_toTimestamp(dateTim): return time.mktime(dateTim.timetuple())