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class circleArea:	"""Simple example code for finding circle area"""		def __init__(self):		"""Initailiaze the object"""		self.r=input("Please enter radius of circle::")		self.calculate(self.r)			def calculate(self, rad):		"""perform calculation"""		self.area = rad*rad*3.14		self.perimeter =2*3.14*rad		print("Area of circle: %f") % self.area		print("Perimeter of circle: %f") % self.perimeter		circ = circleArea()