[Programmers] 문자열 나누기

Python

def solution(s):
    answer = 0
    current = ""
    count = 0
    for idx, val in enumerate(s):
        if count == 0:
            answer += 1
            current = val
            count += 1
        else:
            if current == val:
                count += 1
            else:
                count -= 1

    return answer