个回答

• qq_慕侠3121376

  2022-06-24 00:06:19

  old_score = d.get('Alice')
  d['Alice'] = 60
  print(old_score)

  
  

  0

• 慕斯卡2425917

  2021-03-18 17:17:13

  d = {

      'Bob': 60,

      'Candy': 75,

      'Dadid':86,

      'Ellena':49

  }

  if d.get('Alice') != None:

      alice = d.get('Alice')

      print(d.get('Alice'))

      d['Alice']=60

      print(d)

  else:

      d['Alice']=60

    这段代码怎么什么都打印不出来，麻烦各位同学帮忙看下！

  0

• 我爱马宁

  2021-01-31 01:18:08

  # Enter a code

  d = {

  
  

      'Alice': [45],

  
  

      'Bob': 60,

  
  

      'Candy': 75,

  
  

      'David': 86,

  
  

      'Ellena': 49

  
  

  }

  
  

  if 'Alice' in d:

      print('Alice old score is ' + str(d.get('Alice')[0:len(d.get('Alice'))]))

      d['Alice'].append(60)

  
  

      print('Alice new score is ' + str(d['Alice'][-1]))

  
  

  
  

  0