English 中文(简体)
如何在字典中打字典
原标题:how to sort a dictionary in a dictionary in python

这里是我的问题。 我是这样说的。

{ Ciaran Johnson : { PB : 58.2,
                     Gender :  M ,
                     Age : 6,
                     Event :  IM ,
                     Name :  Ciaran Johnson },
  Joan Pine : { PB : 44.0,
                Gender :  F ,
                Age : 6,
                Event :  FS ,
                Name :  Joan Pine },
  Eric Idle : { PB : 57.2,
                Gender :  M ,
                Age : 6,
                Event :  IM ,
                Name :  Eric Idle },
  Kirsty Laing : { PB : 58.2,
                   Gender :  F ,
                   Age : 6,
                   Event :  IM ,
                   Name :  Kirsty Laing }}

并且我必须首先根据性别、晚期活动和最后时间来分类(PB——最先是最快)。

问题回答

我有[<条码>,,我必须加以分类......

由于标准字典没有排序,你不能打上<条码>。 但是,你可以使用OrderedDict:

In [2]: from collections import OrderedDict

In [3]: sd = OrderedDict(sorted(d.items(), key=lambda (k,v): (v[ Gender ], v[ Event ], v[ PB ])))

In [4]: sd
Out[4]: OrderedDict([( Joan Pine , { PB : 44.0,  Gender :  F ,  Age : 6,  Event :  FS ,  Name :  Joan Pine }), ( Kirsty Laing , { PB : 58.2,  Gender :  F ,  Age : 6,  Event :  IM ,  Name :  Kirsty Laing }), ( Eric Idle , { PB : 57.2,  Gender :  M ,  Age : 6,  Event :  IM ,  Name :  Eric Idle }), ( Ciaran Johnson , { PB : 58.2,  Gender :  M ,  Age : 6,  Event :  IM ,  Name :  Ciaran Johnson })])

你可以在沙尔打字,他们自然没有秩序。

可在上查阅钥匙(,但其中列出了一份清单,然后使用该清单,以伪造的方式查阅这些要素。

Try this

>>> for k,v in sorted(spam.items(),key=lambda k:(k[1][ Gender ],k[1][ Age ],k[1][ PB ])):
    print(k,v)


Joan Pine { PB : 44.0,  Gender :  F ,  Age : 6,  Event :  FS ,  Name :  Joan Pine }
Kirsty Laing { PB : 58.2,  Gender :  F ,  Age : 6,  Event :  IM ,  Name :  Kirsty Laing }
Eric Idle { PB : 57.2,  Gender :  M ,  Age : 6,  Event :  IM ,  Name :  Eric Idle }
Ciaran Johnson { PB : 58.2,  Gender :  M ,  Age : 6,  Event :  IM ,  Name :  Ciaran Johnson }
>>> 




相关问题
Can Django models use MySQL functions?

Is there a way to force Django models to pass a field to a MySQL function every time the model data is read or loaded? To clarify what I mean in SQL, I want the Django model to produce something like ...

An enterprise scheduler for python (like quartz)

I am looking for an enterprise tasks scheduler for python, like quartz is for Java. Requirements: Persistent: if the process restarts or the machine restarts, then all the jobs must stay there and ...

How to remove unique, then duplicate dictionaries in a list?

Given the following list that contains some duplicate and some unique dictionaries, what is the best method to remove unique dictionaries first, then reduce the duplicate dictionaries to single ...

What is suggested seed value to use with random.seed()?

Simple enough question: I m using python random module to generate random integers. I want to know what is the suggested value to use with the random.seed() function? Currently I am letting this ...

How can I make the PyDev editor selectively ignore errors?

I m using PyDev under Eclipse to write some Jython code. I ve got numerous instances where I need to do something like this: import com.work.project.component.client.Interface.ISubInterface as ...

How do I profile `paster serve` s startup time?

Python s paster serve app.ini is taking longer than I would like to be ready for the first request. I know how to profile requests with middleware, but how do I profile the initialization time? I ...

Pragmatically adding give-aways/freebies to an online store

Our business currently has an online store and recently we ve been offering free specials to our customers. Right now, we simply display the special and give the buyer a notice stating we will add the ...

Converting Dictionary to List? [duplicate]

I m trying to convert a Python dictionary into a Python list, in order to perform some calculations. #My dictionary dict = {} dict[ Capital ]="London" dict[ Food ]="Fish&Chips" dict[ 2012 ]="...

热门标签