input: Write a function to iterate over a list of numbers and print only the even numbers.
  def print_even_numbers(my_list):
      for num in my_list:
          if num % 2 == 0:
              print(num)
  
  assert list(filter(lambda x: x % 2 == 0, [output for output in print_even_numbers([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])])) == [2, 4, 6, 8, 10]
  assert list(filter(lambda x: x % 2 == 0, [output for output in print_even_numbers([11, 13, 15])])) == []
  assert list(filter(lambda x: x % 2 == 0, [output for output in print_even_numbers([2, 4, 6, 8, 10])])) == [2, 4, 6, 8, 10]
  assert list(filter(lambda x: x % 2 == 0, [output for output in print_even_numbers([])])) == []
  assert list(filter(lambda x: x % 2 == 0, [output for output in print_even_numbers([10, 20, 30, 40])])) == [10, 20, 30, 40]
output: def print_even_numbers(my_list):
      for num in my_list:
          if num % 2 == 0:
              print(num)