input: Write a python function to create an instance of MyClass and return the values of x and y.
  assert create_instance(3, 4) == (3, 4)
  assert create_instance(10, 20) == (10, 20)
  assert create_instance(-1, 5) == (-1, 5)
output: def create_instance(x, y):
      class MyClass:
          def __init__(self, x, y):
              self.x = x
              self.y = y
  
      instance = MyClass(x, y)
      return (instance.x, instance.y)