def favorite_book(title):
    print('One of my favorite book is ' + title)

favorite_book('CSAPP')

num_of_person = int(input('请问有多少人用餐：'))
if num_of_person > 8:
    print('很抱歉现在没有空位。')
else:
    print('剩余空桌达到要求。')

rivers = {
    'nile': 'egypt',
    'yangtse': 'china',
    'mississippi': 'america',
}

for k, v in rivers.items():
    print('The %s runs through %s' % (k.title(),
            v.title()))
print('\nRivers:')
for key in rivers.keys():
    print(key.title())
print('\nCountries:')
for country in rivers.values():
    print(country.title())

alien_color = 'green'
#alien_color = 'red'

if alien_color == 'green':
    print('(Green)You get 5 points!')

import requests

class StoryCrawler:
    def __init__(self, url):
        """初始化各种变量"""
        self.url = url                                      # 目的url
        self.links = []                                     # 存放链接列表
        self.titles = []                                    # 存放每一章节的标题

    @staticmethod
    def get_HTML(url):
        """爬取网页代码"""
        try:    
            rsp = requests.get(url)                         # 爬取首页html
            html = str(rsp.content, rsp.apparent_encoding)  # 获取正确编码的网页
        except Exception:
            html = None                                     # 若爬取失败则返回None
        return html

if __name__ == '__main__':
    url = 'http://www.qingyunian.net/'
    sc = StoryCrawler(url)
    print(sc.get_HTML(url))