tinydict = {'RUNOOB' : {'url' : 'www.runoob.com'}}
时间: 2023-12-27 08:03:28 浏览: 139
这是一个嵌套字典,其中包含一个键值对。键是'RUNOOB',对应的值是一个字典,包含一个键值对。键是'url',对应的值是字符串'www.runoob.com'。可以通过以下方式访问和操作这个嵌套字典:
1. 访问'RUNOOB'对应的值:tinydict['RUNOOB']
2. 访问'RUNOOB'对应的值中键'url'对应的值:tinydict['RUNOOB']['url']
3. 修改'RUNOOB'对应的值中键'url'对应的值:tinydict['RUNOOB']['url'] = 'www.example.com'
4. 添加新的键值对:tinydict['foo'] = 'bar'
5. 删除键值对:del tinydict['RUNOOB']
相关问题
tinydict = {'name':'runoob', 'code',:6734,'dept':'sales'}
tinydict = {'name':'runoob', 'code':6734,'dept':'sales'}是一个Python字典,其中包含三个键值对,分别是'name'、'code'和'dept'。其中'name'对应的值为'runoob','code'对应的值为6734,'dept'对应的值为'sales'。可以通过tinydict['name']、tinydict['code']和tinydict['dept']来分别获取这些值。
改写为matlab代码:tinydict = { 'Cactus': 1, 'BasketballDrive': 2, 'BQTerrace': 3, 'BasketballDrill': 4, 'BQMall': 5, 'PartyScene': 6, 'RaceHorsesC': 7, 'BasketballPass': 8, 'BQSquare': 9, 'BlowingBubbles': 10, 'RaceHorses': 11, 'FourPeople': 12, 'Johnny': 13, 'KristenAndSara': 14, 'ArenaOfValor': 15, 'BasketballDrillText': 16, 'SlideEditing': 17, 'SlideShow': 18, # 'ChinaSpeed': 19, }
tinydict = containers.Map();
tinydict('Cactus') = 1;
tinydict('BasketballDrive') = 2;
tinydict('BQTerrace') = 3;
tinydict('BasketballDrill') = 4;
tinydict('BQMall') = 5;
tinydict('PartyScene') = 6;
tinydict('RaceHorsesC') = 7;
tinydict('BasketballPass') = 8;
tinydict('BQSquare') = 9;
tinydict('BlowingBubbles') = 10;
tinydict('RaceHorses') = 11;
tinydict('FourPeople') = 12;
tinydict('Johnny') = 13;
tinydict('KristenAndSara') = 14;
tinydict('ArenaOfValor') = 15;
tinydict('BasketballDrillText') = 16;
tinydict('SlideEditing') = 17;
tinydict('SlideShow') = 18;