Chapter 9.5, Problem 9.20CP

Explanation of Solution

Dictionary:

• A dictionary is referred to as an object, which is used to store a collection of data.
• Dictionary consists of two parts, such as a key and a value.
• Dictionary is also known as key-value pairs.
• Each key consists of a specific value and can be used for locating that value.
• The general format to declare a Dictionary object is as follows:

  Dictionary<Ke...