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Write mapper and a reducer code in python to find the following: a) User_id and favorite movie Please see below input 1,10,3.2 1,20,3.4 1,30,2 2,30,3.5

Write mapper and a reducer code in python to find the following:

a) User_id and favorite movie

Please see below input

1,10,3.2 1,20,3.4 1,30,2 2,30,3.5 2,10,2.3 2,20,3.1

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