爬虫，记录第一次爬虫

爬虫四步曲
#   -指定url
#   -发起请求
#   -获取响应数据
#   -持久化存储


#植入requests模块
import requests
#指定url
url='https://www.sogou.com/'
#发起请求
response=requests.get(url=url)
#获取响应数据
page_text=response.text
#持久化存储
with open('sogou.html','w',encoding='UTF-8') as write_page:
    write_page.write(page_text)
print('爬虫结束!!!')