input: Write a python function to find the model with the highest price from a list of car data.
  assert find_max_price_model([{'model': 'Toyota', 'price': 20000}, {'model': 'BMW', 'price': 50000}, {'model': 'Audi', 'price': 30000}]) == 'BMW'
  assert find_max_price_model([{'model': 'Ford', 'price': 15000}, {'model': 'Chevy', 'price': 12000}, {'model': 'Tesla', 'price': 45000}]) == 'Tesla'
  assert find_max_price_model([{'model': 'Honda', 'price': 22000}, {'model': 'Mazda', 'price': 25000}, {'model': 'Nissan', 'price': 24000}]) == 'Mazda'
output: def find_max_price_model(cars):
      return max(cars, key=lambda x: x['price'])['model']