text: def add(*args):              #  *args (arguments)
      print(args[1])
      
      sum =0
      for n in args:
          sum += n
      return sum
  
  #print(add(3,5,6,2,1,7,4,3))
  
  def calculate (**kwargs):           #   **kwargs (unlimited keyword arguments)
      print(kwargs)
            
  calculate(add = 3, multiply = 5) 
  calculate()                            
  # output
  # {'add': 3, 'multiply': 5}