input: Write a python function to create a Cat instance and set its attributes.
  assert create_cat("Whiskers", "Gray", 2, "Persian").name == "Whiskers"
  assert create_cat("Whiskers", "Gray", 2, "Persian").colour == "Gray"
  assert create_cat("Whiskers", "Gray", 2, "Persian").age == 2
  assert create_cat("Whiskers", "Gray", 2, "Persian").breed == "Persian"
  assert create_cat("Tom", "Blue", 3, "Siamese").name == "Tom"
  assert create_cat("Tom", "Blue", 3, "Siamese").colour == "Blue"
  assert create_cat("Tom", "Blue", 3, "Siamese").age == 3
  assert create_cat("Tom", "Blue", 3, "Siamese").breed == "Siamese"
output: class Cat:
      def __init__(self, name, colour, age, breed):
          self.name = name
          self.colour = colour
          self.age = age
          self.breed = breed
  
  def create_cat(name, colour, age, breed):
      return Cat(name, colour, age, breed)