Python3-web crawling-post method to achieve Baidu translation

#Request methodpost
 from urllib import request , parse
 import json

def fanyi(content):


    data={
        'kw':content
    }
    data=parse.urlencode(data)
    # print(len(data))
    base_url = 'http://fanyi.baidu.com/sug'
# Post
headers = {
        "Content-Length": len(data),  # 动态计算data长度
"User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36"
}
    #字符串转bytes
req=request.Request(url=base_url,data=bytes(data,encoding='utf-8'),headers=headers)
                        
    response=request.urlopen(req)
    html=response.read()
    html=html.decode('utf-8')

    json_data=json.loads(html) #comb into json format
 print (json_data)    

    #Organize data
 for item in json_data[ 'data' ]:
         print (item[ 'k' ] , item[ 'v' ])    

if __name__=='__main__':

    content = input ( 'Please enter the content you want to translate:' )
    fanyi(content)

/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 /Users/apple/PycharmProjects/stage4/spider/20180305/05post.py
Please enter what you want to translate: just
{'errno': 0, 'data': [{'k': 'just', 'v': 'adv. just; just; just, just; just about; adj. just, reasonable; proper; legal; correct'}, {'k': 'justice', 'v': 'n. justice; justice; legal sanctions; judge, judge;'}, {'k': 'justify', 'v': 'vt. justify... ; justify; explain; vi. organize; justify;'}, {'k': 'just do it', 'v': ' just do it;'}, {'k': 'just now', 'v': ' just now; just now; now; immediately;'}]}
just adv. correct
justice n. justice; justice; legal sanctions; judge, judge;
justify vt. justify; justify; justify; explain; vi. organize the page; justify;
just do it
just now; just now; now; immediately;


Process finished with exit code 0