Update assingment_4.md

assignments/assingment_4.md

@@ -123,9 +123,22 @@ Sample Document:
 ### Tools to use: 
 1. Pycharm / VSCode
 2. Pandas 
+3. Kairosdb
 
 ### Reference:
 https://kairosdb.github.io/docs/restapi/QueryMetrics.html
 https://pypi.org/project/kairosdb-python/
 
+________________________________________________________
+## Task 3: Working with MQQT
+
+
+## Areas covered:
+- MQQT operation
+
+## Description:
+For the above (task 2) given sample 
 
+1. push a sucessful notification to the MQQT for every 5th successful record with "good" 
+2. Save stats (sum, average, latest timepoint) of all above 5 records in a redis seprate Redis DB
+3. An API to fetch the above saved data from redis