Def Login (zhanghao, mima) : 

Headers={
'authorization' : 'the account - no=zhanghao, login password=mima -', 
'accept' : 'application/json, 
'the accept - language' : 'zh_CN', 
'Host' : 'dfmapi. DFM. Tech', 
'Connection' : 'Keep - the Alive', 
'Accept - Encoding' : 'gzip, 
'the user-agent' : 'okhttp/3.12.1' 
} 

You big trouble, I define the function, gave him the zhanghao, mima two parameters, behind the headers accou inside - no=to use, but this doesn't work, how troublesome everybody to give directions to achieve what I want