Data Manipulation Task - 1

Write R code to:
  1. Create a data frame object called 'student' that includes the following information: Name, Age, Gender, and Blood Group. 

  2. Extract the name and age of the student whose Blood Group is either ‘AB’ or ‘O’ and save it in another data frame called selected Blood Group. 

  3. Sort the selected Blood Group data according to the gender and age in descending order.