<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_cds_time(days, msecs):
 """Get the datetime object of the time since epoch given in days and milliseconds of day """

    return datetime(1958, 1, 1) + timedelta(days=float(days),
                                            milliseconds=float(msecs))