Write a Python GUI in Tkinter that asks the user to press a button of a default shape (i.e. circle, square, oval, rectangle) with set parameters (i.e. length=2, width=2) and display the shape to the window. It then asks the user to give length and width values to create a new shape on the same graph. It displays both shapes on the graph, calculates the percent error difference between the default shape and the new shape and displays this value below the graph.

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