[프로그래머스]JadenCase문자열 만들기

def solution(s):
    answer = ''
    s_list = list(map(str, s))
    flag = True
    for i, value in enumerate(s_list):
        if value == " ":
            flag = True
            answer += value
            continue
        if flag and value.isalpha():  # 플래그가 true라면
            answer += s_list[i].upper()  # 대문자 변경
            flag = False
        elif not flag and value.isalpha():  # 나머지 문자가 대문자라면
            answer += s_list[i].lower()  # 소문자 변경
        elif flag and value.isnumeric():
            answer += s_list[i]
            flag = False
        elif not flag and value.isnumeric():
            answer += s_list[i]
    
    return answer


# solution(" t t t  ")
# solution("for  the last week")
# solution("3people unFollowed me")
solution(" Aaaaa Aaa")