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Turtle-oefening

Flag of the United States

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import turtle as otto width = 390 height = 208 stripe_height = height // 13 left = -width / 2 top = height / 2 canton_width = width * 2 // 5 canton_height = stripe_height * 7 def draw_rectangle(x, y, rectangle_width, rectangle_height, color): otto.penup() otto.goto(x, y) otto.setheading(0) otto.pendown() otto.color(color) otto.begin_fill() for _ in range(2): otto.forward(rectangle_width) otto.right(90) otto.forward(rectangle_height) otto.right(90) otto.end_fill() def draw_star(center_x, center_y): # Draw a five-pointed star. otto.penup() otto.goto(center_x, center_y + 5) otto.setheading(-72) otto.pendown() otto.color("white") otto.begin_fill() for _ in range(5): otto.forward(10) otto.right(144) otto.end_fill() # Draw 13 alternating red and white stripes. # Draw the blue rectangle over the upper-left stripes. # Draw nine alternating rows of six and five white stars. # Set the pen width to 2 units and draw a black outline around the flag's outside edge.