Tenths of hours between two times

Time_formatter

def get_time(time):
    return datetime.datetime.strptime(time, '%I:%M %p')


def total_time():
    t_in = get_time(raw_input("Please enter your start time in 00:00 format: "))
    t_out = get_time(raw_input("Please enter your end time in 00:00 format: "))
    delta = t_out - t_in
    HOUR = 60 * 60
    delta_tenths = float(delta.seconds // (HOUR / 10)) / 10
    print("Your time sheet entry for {0} is {1}6").format(delta, delta_tenths)