Define a class ’Donor’ to store the below mentioned details of a blood donor. Name, age, address, contact number, blood group, date of last donation. Create ‘n‘ objects of this class for all the...

Define a class ’Donor’ to store the below mentioned details of a blood donor. Name,
age, address, contact number, blood group, date of last donation. Create ‘n‘ objects of
this class for all the regular donors at Chennai. Write these objects to a file. Read these
objects from the file and display only those donors details whose blood group is ‘A+’
and had not donated for the last six months.