Please help code this in python. This is how the expected output is supposed to look like :

[['Choc', 8], ['Vani', 10], ['Stra', 11]] 

Please help me fill in the missing code

Write a procedure that receives an inventory and modifies it in such a way that duplicate products are merged. All the quantities for the same product has to be added and the order in which products appear for the first time in the list must be preserved. Sample Input Sample Output 'Choc', 8, 'Vani', 10, 'Stra, 11 Choc 5 Vani 10 Stra 7 Choc 3 Stra 4 END