input: 
  def find_divisors_of_number(num: int) -> str:
      """ Create a program in Python that takes a number from the user and prints all 
      the divisors of the number. Return a string containing all divisors separated by commas.
      >>> find_divisors_of_number(12)
      '1, 2, 3, 4, 6, 12'
      >>> find_divisors_of_number(18)
      '1, 2, 3, 6, 9, 18'
      """
      divisors = [str(i) for i in range(1, num + 1) if num % i == 0]
      return ', '.join(divisors)
  
output:     divisors = [str(i) for i in range(1, num + 1) if num % i == 0]
      return ', '.join(divisors)