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Python in how to use urllib and json module, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can gain something.

Urllib and json modules

Enter:

#! / usr/bin/python

# Filename: yahoo_search.py

Import sys

If sys.version_info [0]! = 3:

Sys.exit ('This program needs Python 3.0')

Import jsonimport urllib, urllib.parse, urllib.request, urllib.response

# Get your own APP ID at http://developer.yahoo.com/wsregapp/

YAHOO_APP_ID=jl22psvV34HELWhdfUJbfDQzlJ2B57KFS_qs4I8D0Wz5U5_yCI1Awv8.lBSfPhwr'

SEARCH_BASE=' http://search.yahooapis.com/WebSearchService/V1/webSearch'

Class YahooSearchError (Exception):

Pass

# Taken from http://developer.yahoo.com/python/python-json.html

Def search (query, results=20, start=1, * * kwargs):

Kwargs.update ({'appid': YAHOO_APP_ID

'query': query, 'results': results

'start': start, 'output':' json'

})

Url = SEARCH_BASE +'?'+ urllib.parse.urlencode (kwargs)

Result = json.load (urllib.request.urlopen (url))

If 'Error' in result:

Raise YahooSearchError (result ['Error'])

Return result ['ResultSet']

Query = input ('What do you want to search for?')

For result in search (query) ['Result']:

Print ("{0}: {1}" .format (result ['Title'], result [' Url']))

Output:

$python yahoo_search.py

What do you want to search for?

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