input: def calculate_factorial_recursively(n: int) -> int:
      """ Calculate the factorial of a given number using recursion.
      >>> calculate_factorial_recursively(5)
      120
      >>> calculate_factorial_recursively(1)
      1
      """
      if n == 1:
          return 1
      else:
          return n * calculate_factorial_recursively(n - 1)
output:     if n == 1:
          return 1
      else:
          return n * calculate_factorial_recursively(n - 1)