# 利用 capitalize()函数，将字符串的首字母转化为大写，其余为小写
L1 = ['AdmIn','anny','LUCY','sandY','wILl']
def normallize(name):
    return name.capitalize()
L2 = list(map(normallize,L1))
print(L2)

#将字符串全部转化为大写or小写
title = 'benny'
print(title.upper())
print(upper(title))

title = 'BENNY'
print(title.lower())
print(lower(title))

import re
def isJudged(title):
    # 判断是否存在小写字母
    res = re.search('[a-z]', title)
    # print(res)
    if res:
        return True
    return False

# 核心功能，将首字母改为大写
def normallize(title):
    print('=======deal======')
    list = title.split(' ')
    new_list = []
    for index, item in enumerate(list):
        if index == 0:
            new_list.append(item.capitalize())
        else:
            if item.upper() in stop_words:
                new_list.append(item.lower())
            else:
                new_list.append(item.capitalize())
    res = ' '.join(new_list)
    return res