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Define ChartGraphPane, a subclass of
GraphPane. Instances are to have two variables: values
and title. Also define drawChart, modeled on
drawMeter, such that drawChart draws a chart using the values
assigned to the values and the title variables. For example,
given that the value of the values variable is the array
#(1 1 2 3 5 8) and the value of the title variable is
Rabbit Population, drawChart is to produce the following:
