Which statement is true concerning user-defined data types? O You can only create one instance of your data type.
O You cannot include other user-defiend data types.
O You can include other user-defined data types.
You cannot change default values.

Acontact list is a place where you can store a specific contact with other associated information such as a phone number, email address, birthday, etc. write a program that first takes in word pairs that consist of a name and a phone number (both strings). that list is followed by a name, and your program should output that name's phone number.