[백준] 1157: 단어 공부

https://www.acmicpc.net/problem/1157

1157번: 단어 공부

 

 

import sys
from collections import Counter
def solution():
    word = sys.stdin.readline().strip().upper()
    counter = Counter(word)
    max_count = max(counter.values())
    most_common = [ char for char, count in counter.items() if count == max_count ]
    print(most_common[0] if len(most_common) == 1 else "?" )
solution()

 

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