Write a program that displays a circle of radius 10 pixels filled with a random color at a random location on a pane, as shown in Figure 15.29b. When you click the circle, it disappears and a new randomcolor circle is displayed at another random location. After twenty circles are clicked, display the time spent in the pane, as shown in Figure 15.29c.

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Time spent is 22673 milliseconds (b) (c)