如何快速调换字典中的 key 和 value

d = {'a':1, 'b': 2}
print({v:k for k, v in d.items()})

  

 

  
1
  
2
 

{1: 'a', 2: 'b'}

  

 

  
1
 

如何用循环快速生成一个从0到100的列表([0,1,2,…,100])

print([i for i in range(101)])

  

 

  
1
 

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100]

  

 

  
1
 

17 - 将两个列表或元组合并成一个字典

文章来源: ruochen.blog.csdn.net，作者：若尘，版权归原作者所有，如需转载，请联系作者。

原文链接：ruochen.blog.csdn.net/article/details/104300458