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Author: hasitharathnayake

Using_Python_to_Access_Web_Data/extractingDataFromJSON.py

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+# prompt for a URL, read the JSON data from that URL using urllib and then parse
+# and extract the comment counts from the JSON data, compute the sum of the
+# numbers in the file
+import urllib.request, urllib.parse,urllib.error
+import json
+import ssl
+
+#ignore cert
+ctx=ssl.create_default_context()
+ctx.check_hostname=False
+ctx.verify_mode=ssl.CERT_NONE
+
+url=input('Enter URL: ')
+if len(url)<1:
+    url='http://py4e-data.dr-chuck.net/comments_42.json'
+fhand=urllib.request.urlopen(url,context=ctx).read().decode()
+formattedJson=json.loads(fhand)
+countNum=list()
+
+for counts in formattedJson['comments']:
+    countNum.append(counts['count'])
+print(countNum)
+print(sum(countNum))