16. Suppose you are involved in designing a system that must maintain information about a large number of individuals (for example, customer records or health records). Each person will be represented with an object that contains all of their critical information. Your job is to design a container class to hold all of these records. The following operations must be supported:

add(person) adds person object to the collection remove(name) removes the person named name from the collection. lookup(name) returns the record for the person named name. list_all returns a list of all the records in the collection in order by name