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What are the backend layers three built-in interface classes:1 pointFigure, Renderer, and CanvasFigureCanvas, Renderer, and EventRenderer, Event, and FigureFigureCanvas, Figure, and Event

Question

What are the backend layers three built-in interface classes:1 pointFigure, Renderer, and CanvasFigureCanvas, Renderer, and EventRenderer, Event, and FigureFigureCanvas, Figure, and Event

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Solution

The three built-in interface classes for backend layers in Matplotlib, a popular data visualization library in Python, are FigureCanvas, Renderer, and Event.

  1. FigureCanvas: This is the area onto which the figure is drawn. It is the 'paper' equivalent in the real world.

  2. Renderer: This is the object which knows how to draw on the FigureCanvas. It contains the methods for drawing shapes like lines, rectangles, etc.

  3. Event: This handles user inputs such as keyboard strokes and mouse clicks.

So, the correct answer is FigureCanvas, Renderer, and Event.

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