클래스와 함수

class Time(object):
    """represents the time of day.
    attributes: hour, minute, second"""

time = Time()
time.hour = 11
time.minutes = 59
time.second = 30

def add_time(t1, t2):
    sum = Time()
    sum.hour = t1.hour + t2.hour
    sum.minutes = t1.minutes + t2.minutes
    sum.second = t1.second + t2.second
    return sum

time1 = Time()
time1.hour = 11
time1.minutes = 59
time1.second = 30

time2 = Time()
time2.hour = 1
time2.minutes = 12
time2.second = 15

def print_time(t):
    print('{}:{}:{}'.format(t.hour, t.minutes, t.second))

def add_time(t1, t2):
    sum = Time()
    sum.hour = t1.hour + t2.hour
    sum.minutes = t1.minutes + t2.minutes
    sum.second = t1.second + t2.second
    return sum

t = add_time(time1, time2)
print_time(t)
# 12:71:45

def add_time(t1, t2):
    sum = Time()
    sum.hour = t1.hour + t2.hour
    sum.minutes = t1.minutes + t2.minutes
    sum.second = t1.second + t2.second

    if sum.second >= 60:
        sum.second -= 60
        sum.minutes += 1

    if sum.minutes >= 60:
        sum.minutes -= 60
        sum.hour += 1
    return sum