Understanding Backbone and MVC

A widely used phrase in programming is MVC which stands for Model View Controller.  It takes a software application and splits it into 3 interconnected components:

  •  Models are the guts of the application.  Behind the scenes and hidden from the user, they control the behaviors of the application.
  • Views are what the user sees and how the output from the models are represented on the display.
  • Controllers interact between the models and views.  A controller can tell a model to change it’s state and then notify the view to change it’s representation based on that state change.

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Counting Leaves Recursively

So help me out here. I was given the following code problem:

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