백준 / 5622번 / 다이얼 / python 파이썬

문제 : https://www.acmicpc.net/problem/5622

 

 

코드 

answer = 0
num = ['', '', '', 'ABC', 'DEF', 'GHI', 'JKL', 'MNO', 'PQRS', 'TUV', 'WXYZ']
word = input()

for w in word:
    for i, n in enumerate(num):
        if w in n:
            answer += i
print(answer)