Define a Grandchild Class which contains:

A static Class variable to count the number of objects created.

Three instance variables, name, age and favorite color.

An $\_\_$init$\_\_$ method

A $\_\_$str$\_\_$ method to print the values of the object$$s instance variables.

An isOlder instance method to compare the ages of two objects.

In main write code to test your class.

Create three objects of the Grandchild class.

Print the values of each instance variable of each object to the screen.

Print only the age of each of the three Grandchild objects to the screen.

Print to the screen the value of your static Class variable to show how many objects

have been instantiated.

Create a list of $20$ more Grandchild objects using random names, random ages and

random favorite colors.

Find the average age of all of the $20$ Grandchildren that are in the list.

Print the result to the screen.

Print to the screen the value of your static Class variable again to show how many

objects have now been instantiated.