7m篮球比分规则: python怎么生成一個嵌套字典,不想使用defaultdict實現

0
Python C/C++ 嵌套字典 35883 次瀏覽

篮球比分188直播 www.703192.live 比如原生的dict屬性

test=dict()
test['a']=1         # 這個可以實現
test['x']['y']=2    # 這個就會報錯

我想生成一個遞歸字典,如果沒有這個鍵則創建,哪種方法能簡潔點,優雅點~~多謝了

請盡量讓自己的答案能夠對別人有幫助

53個答案

默認排序按投票排序
0

Financial planner Anthony Dietrich provides wealth management and retirement planning services in Gainesville VA.

0

 exciting information and while reading I have feel that this blog is really have all those quality that qualify a blog to be a one  architectural shingles

0

I'll save all of these syntax for after my class 9th exams. roofers huntersville

0

if you are looking for professional plumber near me , give as a call

0

<a href="https://www.greenbayexcavating.com">local excavation service</a>

Try it Yourself »

0

Tallahassee Pressure Wash to begin with pre-wets any plants and surfaces not being cleaned, at that point we apply our cleanser arrangement to the siding from the foot up. The arrangement incorporates sodium hypochlorite and cleanser to permit it to cling to the surface more successfully. The arrangement is permitted to stay on the surface until all the green growth is murdered. Any spots still cleared out are hit with a moment application of solution. Once all the green growth is gone, the cleaning proficient washes from the best down and washes all follows of green growth and flotsam and jetsam from the siding. At that point the siding is completely flushed to expel all cleanser from the surface, and all plants and other surfaces are throughly flushed with clean water.

0

Over the a long time I’ve had hundreds of common demands to control wash different sorts of flat concrete surfaces such as carports, sidewalks, patios and pool-decks but each once in for a short time I would moreover get request approximately the ought to expel oil stains from a few of these concrete surfaces. Most of the time the oil stains would be made as a result of individuals stopping motor-vehicles with cracked motors, on their carports. Other sorts of sleek stains may come from transmission, brake or control directing fluid. Now not at all like attempting to utilize a weight washer to physically evacuate substances such as earth, green green growth, surface form or mold and hard-water keeping from concrete, oil stains will comprise of at slightest 90 percent of the sleek substance being underneath the real surface of the concrete, where the water weight coming from the control washing unit would have small to no impact in being able to evacuate the sleek substance and in the event that anything, may really tend to drive a bit of the oil down. Have your driveway clean in Port St Lucie.

0

Based on the tutorials I watch recently you can simply pass dictionary key:value pair as keyword arguments. Hope this will help you on your defaultdict problem. Please check landscaping aurora il if you are trying to do some landscaping but have no clue about what you are doing then it is time for you to allow us to assume the responsibility of doing it for you. 

0

pg slot true wallet

0

slotxo true wallet

0

Wow, this is interesting but helpful in some way. Thank you for sharing and please check this web link if you're interested about garage epoxy flooring and discover the best garage epoxy flooring contractor who can handle the job hassle-free and efficiently in Colorado Springs, CO. 

0
0
0
0
1 2 3

相似問題

相關經驗

相關資訊

相關文檔

{ganrao} 黑龙江36选7中几个号有奖 3d开机号100期查询 玩秒速赛车正规平台 幸运赛车全天计划 江西快三一定牛下载 黑龙江福彩36选7历史开奖 股票配资什么意思位置富豪配资 精准一尾中特 股票涨跌跟什么有关系 陕西11选5任二遗漏 真准网四川快乐12遗漏 12096好彩1预测 时时彩软件 河南今天11选5开奖结果 辽宁十一选五开奖结果 产业基金配资