input: 
  def calculate_average() -> float:
      """ Given a user-entered list of five numbers, it calculates the average.
      Example:
      >>> nums = [3, 4, 5, 6, 7]
      >>> calculate_average() == 5.0
      True
      """
      nums = []
      for i in range(5):
          nums.append(int(input("Please enter number: ")))
      # Calculate average
      average = sum(nums) / len(nums)
      return average
  
output:     nums = []
      for i in range(5):
          nums.append(int(input("Please enter number: ")))
      # Calculate average
      average = sum(nums) / len(nums)
      return average