What is a Dictionary Object and know other associated methods to it.

Dictionary Object:
Object that stores data key, item pairs. Items can be any form of data. Each item is
associated with a unique key. The key is used to retrieve an individual item and is
usually a integer or a string

Ex:
Dim d ' Create a variable.
Set d = CreateObject("Scripting.Dictionary")
d.Add "a", "Athens" ' Add some keys and items.
d.Add "b", "Belgrade“
d.Add "c", "Cairo"

Methods:
Add Method : Adds a key and item pair to a Dictionary object
Syntax:object.Add (Key,Item)

Exists: Returns true if a specified key exists in the Dictionary object, false if it does not.
Syntax: object.Exists(Key)

Items: Returns an array containing all existing Items in a Dictionary object.
Syntax: arrItems = object.Items()

Keys: Returns an array containing all existing keys in a Dictionary object.
Syntax: arrKeys = object.Keys()

Remove: Removes a key, item pair from a Dictionary object.
Syntax: object.Remove(key)

RemoveAll: The RemoveAll method removes all key, item pairs from a Dictionary object.
Syntax: object.RemoveAll()

Propeties:
Count: Returns the number of items in a collection or Dictionary object.
Syntax: object.Count

Item: Sets or returns an item for a specified key in a Dictionary object. For collections,
returns an item based on the specified key.
Syntax:object.Item(Key)

Key: Sets a key in a Dictionary object.
Syntax: object.Key(key) = newkey