You will write a program that keeps names and salaries in a dictionary as key- value pairs. The program should display a menu that lets the user: 1) Look up a person's salary 2) Add a new name and salary 3) Change an existing salary 4) Delete an existing name and salary 5) Display a list of names and salary 6) Exit the program NOTE: Your program should use a separate function for menu items 1-5.

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Map

A map is defined as the name of a higher-order function in most of the programming languages that applies a given function to each element of a functor, such as a list, and returns a list of results in the same order. A map is also called the collection of values based on a key, i.e. a key and value pair. A map has its own set of keys. Duplicate keys are not permitted in the Map, although duplicate values are permitted. Because a Map cannot be navigated, it must be converted to a Set using the keySet() or entrySet() methods. For key-value association mapping, such as dictionaries, maps are ideal.