Reptile learning 4 winter vacation learning series (1)

Save a little for notes , The complete code deleted .
Preface ： Learn something else in winter vacation to relax , Tired of writing papers ！
Course ：B standing
Duration ：20220213

cookies Simple request

get cookie; With cookies Ask for the target url, Then find the corresponding return data .
The key step is cookies, Or let the browser know that you are holding cookies Go and ask him .
One trick is to use session function ,session It can be thought of as a series of requests , In this process cookies Will not be lost , It's equivalent to a continuous conversation between two people , Understand the process of the dialogue between the two sides .
Another way is to go directly through get Method , You need to get headers Information , Pass the parameter to .

session = requests.session()
#  usage 
resp = session.post(login_url, data=data)
shelf_resp = session.get(shelf_url)