input: Write a python function to generate a list of the first 11 even numbers.
  assert generate_even_numbers() == [0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20]
  assert generate_even_numbers()[5] == 10
  assert generate_even_numbers()[-1] == 20
output: def generate_even_numbers():
      return [i * 2 for i in range(11)]