# Problem Solver Exercise ########################## # By Ed Covert ########################## # Write a function called area_of_circle that takes radius as input and returns the # area of a circle. The area of a circle is equal to pi times the radius squared. # (Use the math.pi in order to represent Pi.) ########################## import math def area_of_circle(r): """Function that defines an area of a circle""" a = r**2 * math.pi return a print area_of_circle(1)
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