How to compare and replace the excel file data
for ex: I have an excel data of new product details in this year and need to compare this with the previously obtained details which are in the another excel past year. now need to compare these two excels and if the data in the new excel is same as the data in the previous excel I want the replace the previous data with the new excel data details.
Before replacing the data ,I want my bot to ask for the auth(permission) whether to replace the data/not.
can anyone suggest me how can we do this???