% nbpreview --theme material --image-drawing character notebook.ipynb
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  🖼 Click to view Turtle

                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
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  ## At ultrices                                                               
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      def add(x: float, y: float) -> float:
          """Add two numbers."""
          return x + y

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