检验是否全是中文字符

def is_all_chinese(strs):
    for _char in strs:
        if not '\u4e00' <= _char <= '\u9fa5':
            return False
    return True

检验是否含有中文字符

def is_contains_chinese(strs):
    for _char in strs:
        if '\u4e00' <= _char <= '\u9fa5':
            return True
    return False