def main():
# Use this to test the constructor
c1 = Circle(0, 0, -3)
# Use these to test the getters
print ("c1 center =", c1.getCenter())
print ("c1 radius =", c1.getRadius())
# Use these to test the setters
c1.setCenter(1, 2)
c1.setRadius(5)
print ()
print ("Modified c1 center =", c1.getCenter())
print ("Modified c1 radius =", c1.getRadius())
# Use this to test the area method
print ("c1 area =", c1.area())
# Use this to test the __str__
print ()
print ("Modified Circle c1:")
print (c1)
def main():
# Use this to test the constructor
c1 = Circle(0, 0, 3)
# Use these to test the getters
print("c1 center =", c1.getCenter())
print("c1 radius =", c1.getRadius())
