<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_time_buckets(start, end):
        '''get the time buckets spanned by the start and end times'''
        d = DatalakeRecord.TIME_BUCKET_SIZE_IN_MS
        first_bucket = start / d
        last_bucket = end / d
        return list(range(
            int(first_bucket),
            int(last_bucket) + 1))