Hi I have a CSV file with column headings as [Serial Number,Reader Name,Book name,Author,Publisher]
1)To filter all books with Book name :'Aristotle'
2)to remove duplicates in books with same author name ie.Different Publishers
3)To take a sample of 30 books for Each Reader and copy it to a new csv file with column headings [Reader Name,Book NAME ,Author]
Plz help me :)