input: Write a python function to get even numbers from a list.
  assert get_even_numbers([2, 3, 5, 7, 9, 10]) == [2, 10]
  assert get_even_numbers([1, 4, 5, 8, 9, 12]) == [4, 8, 12]
  assert get_even_numbers([11, 14, 19, 22, 23, 24]) == [14, 22, 24]
output: def get_even_numbers(lst):
      return [num for num in lst if num % 2 == 0]