python - 添加列表和字符串并导入当前年份

Question

这是我的代码，用于尝试找出访问 18+ 网站的人的年龄 ( https://www.reddit.com/r/beginnerprojects/comments/3hrbpo/project_verifying_a_users_age/ ) 我有两个问题。 1)我不知道如何将列表网站添加到我的 else 字符串中。 2)我想知道是否有办法为 currentDate 导入当前年份，这样就不必手动输入。再次感谢，并对草率的代码表示歉意，我对 Python 还是新手!

import datetime


websites = ["www.youtube.com", "www.quora.com",    "www.twitter.com"]



while True:
    currentDate = 2015
    print("WARNING: THIS WEBSITE IS FOR 18 YEARS OR UP")
    userAge = int(raw_input("What is the year of your birth? "))
    if userAge + 18 <= currentDate:
        print "Welcome!"
        break
    elif userAge + 18 > currentDate:
        print ("We're sorry, but this website isn't for you, try some of these websites: ")
        continue

Answer 1

给你:

1. 您希望 date.today() 获取当前日期
2. 您想要使用 string.format() 和 string.join() 将列表连接在一起并将其内容插入到输出中
3. 不需要 elif 子句 - else 处理“otherwise”条件(因为您的 elif 与您的 if 相反)

代码:

from datetime import date

websites = ["www.youtube.com", "www.quora.com",    "www.twitter.com"]
while True:
    print("WARNING: THIS WEBSITE IS FOR 18 YEARS OR UP")
    userAge = int(raw_input("What is the year of your birth? "))
    if userAge + 18 <= date.today().year:
        print "Welcome!"
        break
    else:
        print ("We're sorry, but this website isn't for you, try some of these websites: {}".format(",".join(websites))
        continue