# Concentric circles # As an exercise in using the Turtle package and lists you are # required to draw three concentric circles on the screen. # These circles must be cent red in the drawing window....

# Concentric circles # As an exercise in using the Turtle package and lists you are # required to draw three concentric circles on the screen. # These circles must be cent red in the drawing window. The # radii of the circles are given to you as a list of numbers. # You must develop your program so that it is easy to change # the sizes of the three circles by changing the numbers in f the list. # NB : We need unfilled circles, so you can't use Turtle's # "dot" function for this purpose. Also, you must ensure that # lines are not drawn between or connecting the circles. # Recall that Turtle's "circle" function does not draw a # circle at the current location. Instead it causes the turtle # to walk in a circle, which means that the circle is actually # drawn in a position such that the turtle (cursor) is on its # perimeter. # The basic strategy to use for drawing each circle is: # 1) Lift up the pen # 2) Go to the centre of the screen ("home") # 3) Move to a position on the intended circle's perimeter # 4) set the turtle's heading so that when it walks in a circle it will create a circle centred on the screen # 5) Put the pen down # 6) Walk in a circle # Importantly, the radius of each circle is given in # a list, so your code must refer to the appropriate # list element to control the size of each circle. # If the numbers in the list are changed, your code # should draw circles of a different size # Import the turtle library from turtle import # Create the drawing canvas and give it a name setup() title ('Concentric Circles') # Define the radii of the three circles, in pixels radii [30, 60, 90] # Here are some other values you can try