I have a requirement in which I need to add values for duplicate employee Id's
and then map that added value and emp id in another excel sheet
eg-In my sheet I have 2 columns Emp id and Days I need to add days by grouping the empid
Employee id 101 is present in my sheet 3 times and each having some value for days
so it should give
After grouping the emp id's I need to map these id in another excel sheet which has unique empid.