input: from typing import List
  
  
  def count_even_numbers(numbers: List[int]) -> int:
      """
      Identify the number of even numbers present in a given list of numbers.
      >>> count_even_numbers([1, 2, 3, 4, 5])
      2
      >>> count_even_numbers([11, 13, 15, 17])
      0
      """
      return len([x for x in numbers if x % 2 == 0])
output:     return len([x for x in numbers if x % 2 == 0])