Sorted(l, key=lambda x: x) = sorted(l, key=emgetter('name'))īoth techniques sort the list in the same order (verified by execution of the final statement in the code block), but the first one is a little faster. Sorting a List of Dictionaries With Sort Function Luckily for us, we don’t have to implement sorting by hand in Python. Luay Matalka 996 Followers Cloud Data Engineer with a passion for teaching. Refresh the page, check Medium ’s site status, or find something interesting to read. # Check that each technique produces the same sort order How to sort a dictionary in python by Luay Matalka Towards Data Science 500 Apologies, but something went wrong on our end. csvmappinglist.sort(keylambda item: item. In the following snippet, we sort the list of dictionaries by age. Instead, we can use the builtin sort function for lists. %timeit sorted(l, key=emgetter('name'))ġ0.7 µs ± 38.1 ns per loop (mean ± std. Sort List of Dictionaries in Python (2 Examples) In this post you’ll learn how to sort a list of dictionaries in the Python programming language. Sorting a List of Dictionaries With Sort Function Luckily for us, we don’t have to implement sorting by hand in Python. # Test the performance with itemgetter sorting on name %timeit sorted(l, key=lambda x: x)ġ3 µs ± 388 ns per loop (mean ± std. # Test the performance with a lambda function sorting on name Python Dictionaries Access Items Change Items Add Items Remove Items Loop Dictionaries Copy Dictionaries Nested Dictionaries Dictionary Methods Dictionary Exercise Python If.Else Python While Loops Python For Loops Python Functions Python Lambda Python Arrays Python Classes/Objects Python Inheritance Python Iterators Python Polymorphism Python Scope Python Modules Python Dates Python Math Python JSON Python RegEx Python PIP Python Try.Using the Pandas package is another method, though its runtime at large scale is much slower than the more traditional methods proposed by others: import pandas as pd
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