input: Write a function to take a number from the user and print all the divisors of the number.
  
  def print_divisors(num):
      divisors = []
      
      for i in range(1, num + 1):
          if num % i == 0:
              divisors.append(i)
  
      print('The divisors of {0} are:'.format(num))
      print(*divisors, sep=', ')
  
  assert print_divisors(10)
  assert print_divisors(15)
  assert print_divisors(20)
  assert print_divisors(25)
  assert print_divisors(30)
output: def print_divisors(num):
      divisors = []
      
      for i in range(1, num + 1):
          if num % i == 0:
              divisors.append(i)
  
      print('The divisors of {0} are:'.format(num))
      print(*divisors, sep=', ')