Sort a list of Class Instances Python

Question

I have a list of class instances -   x     lt iteminstance1 gt         among other attributes the class has score attribute  How can I sort the items in  ascending order based on this parameter   EDIT  The list in python has something called sort  Could I use this here  How do I direct this function to use my score attribute

User · Accepted Answer

import operator sorted x   sorted x  key operator attrgetter  score      if you want to sort x in-place  you can also   x sort key operator attrgetter  score

User · Answer

In addition to the solution you accepted  you could also implement the special   lt       less than   method on the class  The sort   method  and the sorted   function  will then be able to compare the objects  and thereby sort them  This works best when you will only ever sort them on this attribute  however   class Foo object         def   init   self  score            self score   score       def   lt   self  other            return self score  lt  other score  l    Foo 3   Foo 1   Foo 2   l sort

[python] Sort a list of Class Instances Python

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