input: from typing import List
  
  
  def calculate_average_of_five_numbers(numbers: List[int]) -> float:
      """ Calculate the average of five numbers entered by a user.
      >>> calculate_average_of_five_numbers([10, 20, 30, 40, 50])
      30.0
      >>> calculate_average_of_five_numbers([5, 10, 15, 20, 25])
      15.0
      """
      return sum(numbers) / len(numbers)
output:     return sum(numbers) / len(numbers)