[Baekjoon/Python3] 7600번 문자가 몇갤까

[Baekjoon/Python3] 7600번 문자가 몇갤까

 

www.acmicpc.net/problem/7600

7600번: 문자가 몇갤까

 

alp = [chr(i) for i in range(65, 91)]
while True:
    tot = 0
    s = input().upper()
    if s == '#':
        break
    else:
        s = set(s)
        for i in s:
            if i in alp:
                tot += 1
    print(tot)