def solution(seoul):
answer = ''
for i in range(len(seoul)):
if seoul[i] == 'Kim':
answer = f'김서방은 {i}에 있다'
return answer
def findKim(seoul):
return "김서방은 {}에 있다".format(seoul.index('Kim'))
.index()
a = [1, 2, 3, 1, 2, 3]
b = a.index(1, 1, 5)
print(b) # 3
.format()
a = [1, 2, 3, 1, 2, 3]
b = a.index(1, 1, 5)
print(b) # 3