input
문자열
output
해당 문자열에 따라 숫자계산 / 두배 등등해서 합 return
while문으로 문자열을 순회하며 if문으로 조건을 확인함
isdigit(), int(), index slicing, **활용
def solution(dartResult): answer = [] i = 0 while i < len(dartResult): if dartResult[i].isdigit(): if dartResult[i+1].isdigit() == False: if dartResult[i+1] == "S": answer.append(int(dartResult[i])) i += 1 elif dartResult[i+1] == "D": answer.append(int(dartResult[i])**2) i += 1 else: answer.append(int(dartResult[i])**3) i += 1 else: if dartResult[i+2] == "S": answer.append(int(dartResult[i:i+2])) i += 2 elif dartResult[i+2] == "D": answer.append(int(dartResult[i:i+2])**2) i += 2 else: answer.append(int(dartResult[i:i+2])**3) i += 2 elif dartResult[i] == "*": if len(answer) == 1: answer[0] = answer[0]*2 else: answer[-2] = answer[-2]*2 answer[-1] = answer[-1]*2 else: if len(answer) == 1: answer[0] = -answer[0] else: answer[-1] = -answer[-1] i += 1 return sum(answer)