个回答

• 勇往直前3

  2024-05-16 18:52:38

  def average(*args):

      sum = 0.0

      if len(args)==0:

          return None

      for item in args:

          sum += item

      avg = sum / len(args)

      return avg

          

  print(average(1, 2))

  print(average(1, 2, 2, 3, 4))

  print(average())

  
  

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