대학원생이 쉽게 설명해보기

c = int(input())
num = map(int, list(input()))
num = list(num)
if(len(num) != c):
    raise ValueError('error')
    
total = 0
for i in num:
    total += i
print(total)

num = int(input())

total = 0
for i in range(1, num + 1):
    total += i
print(total)

month_and_day = input().split(' ')
month = int(month_and_day[0])
day = int(month_and_day[1])

day_of_month = {'1':31, '2':28, '3':31, '4':30, '5':31, '6':30, '7':31, '8':31, '9':30, '10':31, '11':30, '12':31}
day_of_the_week = {'0':'SUN', '1':'MON', '2':'TUE', '3':'WED', '4':'THU','5':'FRI','6':'SAT'}

total = 0
for i in range(1, month):
    total += day_of_month[str(i)]
total += day
print(day_of_the_week[str(total % 7)])

num = int(input())

if(num < 1 or num > 100):
    raise ValueError('error')
    
for i in range(num):
    print(" " * (i) + "*" * (num - i))

num = int(input())
if(num < 1 or num > 100):
    raise ValueError('error')
    
for i in range(num):
    print('*' * (num - (i)))