How to Sort a List of Dictionaries By Field in Python [All Method]️
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Question: What is the best way to approach this problem? Answer: Check out this blog code to learn how to fix errors How to Sort a List of Dictionaries By Field in Python. Question:”What should you do if you run into code errors?” Answer:”By following this blog, you can find a solution.”
Suppose we have a list of dictionaries in Python.
lst = [
{'id': 2, 'dog': 'corgi'},
{'id': 5, 'dog': 'shih tzu'},
{'id': 3, 'dog': 'pug'}
]
We want to sort this list of dictionaries by the key id.
sorted() with lambda
We can use the sorted() function’s key parameter to do this.
sorted_lst = sorted(lst, key=lambda k: k['id'])
sorted() with itemgetter
Instead of using a lambda function, we can use itemgetter to identify the key to sort by.
from operator import itemgetter
sorted_lst = sorted(lst, key=itemgetter('id'))
This can slightly simplify our code, but it functions exactly the same.
Sort in Descending Order
Finally, we can sort in descending order using the sorted() function’s reverse parameter.
sorted_lst = sorted(lst, key=lambda k: k['id'], reverse=True)
from operator import itemgetter
sorted_lst = sorted(lst, key=itemgetter('id'), reverse=True)
Now you learned, How you can use & How to Sort a List of Dictionaries By Field in Python.
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