activity-refresher

install ts-node

in studentlist.ts

add the ff methods:

create method ff:

Name		Name	Last commit message	Last commit date
Latest commit History 7 Commits
Employee.ts		Employee.ts
Person.ts		Person.ts
README.md		README.md
School.ts		School.ts
Student.ts		Student.ts
StudentList.ts		StudentList.ts
StudentWOExtends.ts		StudentWOExtends.ts

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