Circle

Create the Circle class with the following behavior. Be sure to implement the __eq__ and __repr__ methods:

>>> c1 = Circle(10, 3, 4)
>>> c1.radius
10
>>> c1.x
3
>>> c1.y
4
>>> c1.diameter()
20
>>> c1.circumference()
62.83185307179586
>>> c1
Circle(10, 3, 4)
>>> c2 = Circle(5, 3, 4)
>>> c1 == c2
False
>>> c3 = Circle(10, 3, 4)
>>> c1 == c3
True