https://www.acmicpc.net/problem/8958
t = int(input())
for _ in range(t):
answer = input()
score = count = 0
for i in range(len(answer)):
if answer[i] == "O":
count += 1
score += count
if answer[i] == "X":
count = 0
print(score)
strip()를 사용해 앞뒤 공백을 제거해 안정성을 높인다. t = int(input())
for _ in range(t):
answer = input().strip()
score = count = 0
for a in answer:
if a == "O":
count += 1
score += count
else:
count = 0
print(score)