spider_ use urllib Submit a post request, the proper way translation case

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Use urllib Submit a post request, the translation proper way 
" "" 

from urllib Import Request 
from urllib Import the parse 
Import JSON 
URL = "http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule" 
headers = { "the User-- Agent": "the Mozilla / 5.0 (the Windows NT 10.0; Win64; x64-; RV: 67.0) the Gecko / Firefox 20,100,101 / 67.0"} 

# build parameters dictionary 
parame = { 
# translations for an 
"I": "Hello" , 
"from": "AUTO" , 
"to": "AUTO" , 
"smartresult": "dict" , 
"Client":"fanyideskweb",
"salt":"15596318223592",
"sign":"6095c71447feda2d528eb238e957c476" , 
"TS": "1559631822359" , 
"BV": "e2a78ed30c66e16a857c5b6486a1d326" , 
"DOCTYPE": "json" , 
"Version": "2.1" , 
"keyfrom": "fanyi.web" , 
"Action": "FY_BY_REALTlME" 
} 

# parameters dictionary translated into strings 
Data = parse.urlencode (parame) .encode () 
# dictionary parameter string containing entrained http request (POST), the return string 
html = request.urlopen ( URL , Data = Data) .read (). decode () 
# Print (HTML) 
# Print (type (HTML)) 

# json string into the file format, converting a string python dict objects,list
pythonObj=json.loads(html)
# print(pythonObj)
Print # (type (pythonObj)) 

# extract information 
Result = pythonObj [ "translateResult"] [ 0] [ 0] [ 'TGT'] 
Print (Result)