<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def timedelta_seconds(value: datetime.timedelta) -> int: """Return full number of seconds from timedelta. By default, Python returns only one day seconds, not all timedelta seconds. :param value: Timedelta instance. """

    return SECONDS_PER_DAY * value.days + value.seconds