input: Write a function to filter out all the even numbers from a given list. Return a new list containing only the even numbers.
  def filter_even_numbers(numbers):
      even_numbers = []
      for i in numbers:
          if i % 2 == 0:
              even_numbers.append(i)
      return even_numbers
  
  assert filter_even_numbers([3, 4, 5, 6, 7]) == [4, 6]
  assert filter_even_numbers([1, 2, 3, 4, 5]) == [2, 4]
  assert filter_even_numbers([10, 11, 12, 13, 14]) == [10, 12, 14]
  assert filter_even_numbers([1, 3, 5, 7, 9]) == []
  assert filter_even_numbers([]) == []
output: def filter_even_numbers(numbers):
      even_numbers = []
      for i in numbers:
          if i % 2 == 0:
              even_numbers.append(i)
      return even_numbers