LionSuperHero class is a blueprint for lions that are superheroes. This class should inherit from the
SuperHero class, but we will forget about inheritance and other super types of superheroes for a while and use the
LionSuperHero class to understand the difference between type and instance properties.
We will define the following type properties to store the values that are shared by all the members of the lion superhero group:
averageStrength: This is the average strength for the superhero group.
averageRunningSpeed: This is the average running speed for the superhero group.
attackPower: This is the attack power score for the superhero group.
defensePower: This is ...