Write a program to get the list of first class students. Students with marks greater than or equal to 60 and less than 70 are considered first class.
|[Mahesh-80, Rajesh-25, Suresh-66, Ramesh-69]
|[Mahesh-60, Rajesh-70, Suresh-63, Ramesh-35]
|[Mahesh-60, Rajesh-61, Suresh-62, Ramesh-63]
||[Mahesh-60, Rajesh-61, Suresh-62, Ramesh-63]