Python summing up time

Question

In python how do I sum up the following time?

 0:00:00
 0:00:15
 9:30:56

Answer 1

Bellow is a solution using list comprehension:

from datetime import timedelta

def time_sum(time: List[str]) -> timedelta:
    """
    Calculates time from list of time hh:mm:ss format
    """

    return sum(
        [
            timedelta(hours=int(ms[0]), minutes=int(ms[1]), seconds=int(ms[2]))
            for t in time
            for ms in [t.split(":")]
        ],
        timedelta(),
    )

Example:

time_list = ["0:00:00", "0:00:15", "9:30:56"]
total = time_sum(time_list)
print(f"Total time: {total}")