Python sort dictionary. Learn how to sort dictionaries by key and value.

Python sort dictionary. sorted (d. This blog post will explore various ways to sort dictionaries in Python, covering the basic concepts, different usage methods, common practices, and best practices. 7, dictionaries remember the order of items inserted as well. Method 4: Sorting In-Place with sorted() and Dictionary Update In Python 3. This blog post will dive deep into the concepts, usage methods, common practices, and best practices of dictionary sorting in Jul 23, 2025 · Using pandas library Sort Nested Dictionary by Multiple Values Using sorted () Function In this example, below Python code sorts a nested dictionary (`nested_dict`) by the 'score' values in the inner dictionaries, creating a new dictionary (`sorted_nested_dict`) that reflects the sorted order. 7 and later, you can leverage the built-in dict which preserves insertion order. In this comprehensive article, we‘ll explore the critical skill of sorting dictionaries by key in Python. Whether you're dealing with data manipulation, analysis, or simply organizing information, having the ability to sort dictionaries based on a particular key is essential. values ()) sorts only the values by the second element . Various variations can also be achieved for sorting the Dec 5, 2024 · Explore various methods to efficiently sort dictionaries by key in Python, along with practical examples. 7, dictionaries are ordered. Feb 5, 2025 · Python dict is a versatile data structure that allows you to easily store diverse amount of data as key-value pairs, in a compact manner. Using sorted Aug 20, 2012 · You can sort the key/value pairs by sorting and passing in a key function just like you would when sorting anything else, but you will get a sorted list and not a dictionary. Sorting is always a useful utility in everyday programming. 7). Nov 27, 2024 · This blog explains how we can sort a dictionary in python with various approaches including sort by keys, sort by values, custom sorting algorithms etc. Apr 20, 2025 · Dictionaries are a fundamental data structure in Python, used to store key-value pairs. Use a dictionary Jan 26, 2025 · Sorting dictionaries is a common task in programming, whether you want to arrange data alphabetically by keys, numerically by values, or according to some custom criteria. There is also a sorted() built-in function that builds a new sorted list from an iterable. There are different ways to achieve sorted dictionaries in Python, depending on the version of Python you are using and your specific requirements. Using heapq When working with dictionaries of tuples, sorting by tuple elements using heapq is particularly advantageous for large datasets, as it reduces computational overhead Jul 27, 2023 · Step-by-step approach: Initialize the dictionary. This is a built-in function that is usually used to sort any iterable objects like lists, tuples, sets, and dictionaries. Jun 18, 2012 · I'm sorting a Python 3. However, there are often scenarios where we need to sort the elements of a dictionary based on either the keys or the values. This blog post will explore the various ways to sort a Feb 13, 2024 · Learn how to use the sorted() function and lambda expressions to sort dictionaries by keys or values in Python. Is there any solution to sort that Dictionary ? OrderedDict([ (2, OrderedDict([ ('depth', 0), ('height Sep 13, 2015 · Python: sorting dictionary of dictionaries Asked 12 years, 4 months ago Modified 10 years ago Viewed 31k times Dec 22, 2024 · Hello students, I‘m John and I‘ve been teaching Python for over 15 years. In Python 3. Apr 19, 2021 · Sort a dictionary by value in Python through multiple ways like for loop, lambda () function, operator module, dict. Review how to use the sorted() function Learn how to get dictionary views to iterate over Understand how dictionaries are cast to lists during sorting Learn how to specify a sort key to sort a dictionary by value, key, or nested attribute Review dictionary comprehensions and the dict() constructor to rebuild your dictionaries Mar 27, 2025 · In Python, dictionaries are a fundamental data structure used to store key-value pairs. It can be used to sort a dictionary by value in ascending order or descending order. There are 2 ways to achieve this sorting: What is the lambda function in python? This article deals with sorting using the lambda function and using the " sorted () " inbuilt function. In this article, we will discuss 10 different ways of sorting the Python dictionary by keys and also reverse sorting by keys. g. We‘ve covered the use of the sorted() function with custom key functions, the itemgetter() function from the operator module, and the combination of sorting by both values and keys. By understanding the fundamental concepts, using the appropriate functions, and following best practices, you can effectively sort dictionaries based on keys, values, or even complex nested structures. Sep 3, 2018 · In old version of python dicts were explicitly unordered so if you wanted to sort a dict you'd need to do something like OrderedDict(sorted(d,key=lambda x:d[x])) the accepted answer isn't a "sorted dict" it's a sorted iterable of tuples Apr 26, 2023 · While working with Python, one might come to a problem in which one needs to perform a sort on dictionary list value length. I w I also think it is important to note that Python dict object type is a hash table (more on this here), and thus is not capable of being sorted without converting its keys/values to lists. While they weren’t ordered before Python 3. However, starting from Python 3. In this article, we will see how to sort a dictionary by value Feb 18, 2025 · Learn how to sort a Python dictionary by key alphabetically using the `sorted()` function and custom sorting methods for efficient key-based sorting in Python. 7, dictionaries preserve the insertion order of keys. Jun 17, 2025 · In Python, dictionaries are a fundamental data structure used to store key - value pairs. Assign the sorted dictionary to the res variable. The result is a new dictionary `sorted_dict` with keys ordered by ascending values of the 'key' in the nested dictionaries. 2 dictionary by its keys into a sorted list with 2 argument members, but can not make it a sorted dictionary in the end: myDic={10: 'b', 3:'a', 5:'c'} sorted_list=sorted(my Mar 6, 2024 · This code sorts the dictionary d by keys using the sorted() function and then creates an OrderedDict that maintains the sorted order of the keys. Use the zip () function to create a list of tuples, where each tuple contains a key and its corresponding value list. 6 and earlier, dictionaries are unordered. Using the sorted () function we can sort the dictionary in ascending /descending order. Sorting such lists can be crucial for organizing data in a meaningful way. 7+, see this answer Standard Python dictionaries are unordered (until Python 3. The string field is unique, so that is the key of the dictionary. Jul 23, 2025 · A dictionary is a collection which is unordered, changeable, and indexed. itemgetter()`, and lambda functions Nov 29, 2020 · Introduction We can sort lists, tuples, strings, and other iterable objects in python since they are all ordered objects. While working with Python dictionary, developers may need to sort the key-value pairs by key or value, or both. Jul 23, 2025 · Python JSON Sort Using itemgetter() Module In this example, below Python code utilizes the `json` module to parse a JSON array into a list of dictionaries. . Python dictionaries do not have this value already ordered within it, but with a minute programming script sorting the dictionary based on its values is simple. Jul 23, 2025 · Python Reversibly Sort Dictionary by Value using a combination of zip, sorted, and reversed We use sorted () to get a list of keys based on the values (key=my_dict. When we pass the dictionary into the sorted() function by default it sorts the keys of the dictionary and returns them as a list. In this article, we will learn how to Dictionary Dictionaries are used to store data values in key:value pairs. If that's not what you need, then I encourage you to reconsider the sort functions that leave you with a list of tuples. May 30, 2024 · How to sort a dictionary by value in Python? In Python, you can sort a dictionary by its values using the sorted() function along with a custom sorting key. Let's discuss certain ways in which this task can be performed. 7 (and in CPython 3. Method #1 : Using OrderedDict () + sorted () This task can be performed using OrderedDict function These types automatically maintain the dictionary sorted in key-order. However, by default, dictionaries are unordered. Nov 30, 2024 · Python dictionaries are powerful data structures that often require sorting for efficient data management. May 30, 2024 · We can sort the dictionary by key using a sorted() function in Python. Sorting dictionaries can be crucial in various programming scenarios, such as data analysis, organizing data for better readability, or when you need to present data in a specific order. Jul 23, 2025 · Sort Python Dictionary by Value Using sorted() Method In this example, below Python code initializes a dictionary and sorts it by values using a concise dictionary comprehension with the `sorted ()` method, creating a new dictionary named `sorted_dict`, which is then printed. 6, now dictionary can remember the order in which items are added. In this, we Jan 24, 2025 · A sorted dictionary in Python is a dictionary where the items (key-value pairs) are arranged in a specific order. Unlike lists or tuples, dictionaries are inherently unordered, which means they don't have a defined sequence of elements. This behavior was an implementation detail of CPython from 3. Apr 10, 2023 · This blog explains how to create a dictionary in Python and how to sort the Python dictionary by keys as well as how to sort the Python dictionary by values. Feb 2, 2024 · OrderedDict to Get the Dictionary-Compatible Result in Python Dictionary Sorting Python dictionary is an order-less data type, therefore, you could not sort the Python dictionary by its keys or values. sort() method that modifies the list in-place. Thus we are also able to sort dictionaries using python’s built-in sorted () function. In this document, we explore the various techniques for sorting data using Python. Now that the insertion order of Python dictionaries is guaranteed starting in Python 3. You can sort the dictionary by keys, values, or both. This type of application is popular in web development as JSON format is quite popular. Struggling while sorting a dictionary in python. This could be for better readability, easier data analysis, or when you need to perform operations that require a specific order. Improve your data handling skills for small and large datasets. There are many scenarios where you might need to sort a dictionary by its keys. Method 1 − Sort the dictionary by key In this approach, the dictionary is sorted in Jun 13, 2023 · Introduction Sorting a dictionary in Python is a common task you might encounter while programming. Oct 3, 2023 · Since 3. Sorting a dictionary can be crucial for data analysis, data presentation, and many other applications. Creating a new dictionary from sorted items achieves the desired key-sorted representation. Whether you need to sort by keys, values, or handle nested dictionaries, Python provides the tools to get the job done efficiently. Feb 19, 2025 · Learn how to sort a dictionary by value in Python using `sorted()`, `lambda` functions, and dictionary comprehensions. This can be typically in case of scoring or any type of count algorithm. See examples of basic and advanced sorts, such as descending order or custom logic. For example, if a list of dicts were sorted by 'age' but 'age' was missing in some dict, that dict can either be pushed to the back of the sorted list (or to the front) by simply passing inf as a default value to dict. Sep 13, 2022 · In Python, a dictionary is a fat structure that is unordered by default. Whether you’re arranging names alphabetically or sorting scores from highest to lowest, Python makes it simple with a few clean lines of code. A dictionary is a collection which is ordered*, changeable and do not allow duplicates. Take a look at the sortedcontainers module which is pure-Python and fast-as-C-implementations. Dictionaries are written with curly brackets, and have keys and values: Apr 26, 2023 · Sorting has quite vivid applications and sometimes, we might come up with a problem in which we need to sort the nested dictionary by the nested key. Aug 26, 2024 · Python provides several methods and techniques to sort a dictionary by either the keys or the values. It can be used to sort dictionaries by key in ascending order or descending order. Jul 23, 2025 · Python offers various methods to sort a dictionary with Lists as Values. The sorted() function is one of Python's built-in functions. We got you, follow our tutorial for how to sort a dictionary in python. Jun 1, 2013 · I have found many threads for sorting by values like here but it doesn't seem to be working for me I have a dictionary of lists that have tuples. As of Python version 3. Apr 7, 2025 · Dictionaries are a fundamental data structure in Python, allowing you to store and organize data in key-value pairs. 7, you can still sort them easily by keys or values, in ascending or descending order. 7, dictionaries maintain insertion order. Sorting enables easier visualization and analysis […] It's worth noting that Python has a number of dictionary implementations that maintain the keys in sorted order. Jul 12, 2025 · Sometimes while working with a Python dictionary, we can have problems in which we need to perform a sort of list according to the corresponding value in the dictionary. Assume we have a dictionary like below, Apr 21, 2025 · In Python, dictionaries are a powerful data structure that stores key-value pairs. 6. Mar 28, 2020 · There are different ways through which we can sort a Dictionary in Python. Mar 11, 2021 · A dictionary is a data structure that consists of key and value pairs. Jul 23, 2025 · Explanation: sorted (d. But you could get the representation of sorted Python dictionary in other data types like list. Sep 11, 2023 · The sorted () Function We’ll go through a few examples to help you get a comprehensive understanding of how to sort a dictionary in Python. Just like with other iterables, we can sort dictionaries based on different criteria depending on the 1 day ago · Sorting Techniques ¶ Author: Andrew Dalke and Raymond Hettinger Python lists have a built-in list. In this blog post, we will explore the various Jul 23, 2025 · We are given a list of dictionaries where each dictionary contains multiple key-value pairs and our task is to sort this list based on the value of a specific key. SortedDict(*args, **kwargs) [source] ¶ Bases: dict Sorted dict is a sorted Mar 16, 2025 · Sorting dictionaries in Python is a powerful technique that can enhance data manipulation and analysis. The introduction is the best way to get started. This blog post will explore the ins and outs of sorting dictionaries Dec 3, 2024 · When working with complex data structures in Python, nested dictionaries are a common choice for organizing and storing data. swap the members in the tuples. e. In this article, 10 different ways of sorting the Python dictionary by values and also reverse sorting by values are discussed. From 3. You can use a list Jul 23, 2025 · In Python, sorting a dictionary by its values is something that often comes up when we are working with the data for which there exists an ordered presentation or analysis. Jul 23, 2025 · Sort a Nested Dictionary by Value Using itemgetter () Method In this example, a nested dictionary `nested_dict` with keys 'a', 'b', and 'c' is sorted based on the values associated with the 'key' key within each nested dictionary, using the itemgetter () function. Let's discuss a method by which this task can be performed. However, unlike lists, dictionaries are unordered by default. This guide will walk you through multiple methods to sort Python dictionaries, providing clear, practical Jan 11, 2024 · Sort a Dictionary in Python with 5 easy methods! From sorting () to Pandas, explore efficient techniques tailored to diverse needs. Sorting Basics ¶ A simple ascending sort is very easy: just call the sorted Sep 3, 2024 · Overview of Dictionary Sorting Approaches Let‘s explore various methods available in Python to sort dictionaries by key with code examples: Below I deep dive into the code, benchmarks, and best practices for each one. This step-by-step guide includes examples. Whether you're working on data analysis, processing user information, or organizing complex datasets, understanding how to sort dictionaries is a crucial skill for Python developers. So, sometimes, you'll want to sort dictionaries by key or value to make queries easier. Sort the list of tuples using the sorted () function and a lambda function that sorts the tuples based on the first element of each tuple (i. Apr 16, 2025 · In Python, working with lists of dictionaries is a common task in data manipulation and analysis. 7 and above, dictionaries retain their insertion order. Feb 6, 2015 · I want to sort a dictionary's keys by their respective values, and then sort any keys with the same value alphabetically. Sort by value − The dictionary is sorted in ascending order of the values. Mar 7, 2024 · This method uses Python’s built-in sorted() function alongside dictionary comprehension to sort the dictionary by keys and then constructs a new dictionary with the sorted order. There are several ways to do this in Python. So, to sort in value order: extract a list or tuples of (key, value) pairs with the items () method. There are many scenarios where you might need to sort a dictionary either by keys or values. The result is then printed. Oct 5, 2024 · Sorting a dictionary by value in Python provides a powerful way to organize and access important data more efficiently. This function sorts iterable objects like lists, tuples, sets, and dictionaries. Sorted dict implementations: SortedDict SortedKeysView SortedItemsView SortedValuesView SortedDict ¶ class sortedcontainers. Apr 24, 2020 · Technique 1: Using sorted () function to sort a dictionary by value in Python The sorted() method along with Python operator. The easiest way is to use OrderedDict, which remembers the order in which the elements have been inserted: Jul 15, 2025 · Use the sorted () function to sort the dictionary based on the keys and values, bypassing the itemgetter () function as a key. sort () would be the key, since that’s how sorted (my_dict, key=some_func) behaves and in general that’s what you get when you treat a dict as an iterable. keys ()) sorts only the values by the second element . 7: Dictionary order is guaranteed to be insertion order. Sorting dictionaries can be crucial for tasks such as data analysis, organizing information for easier retrieval, and presenting data in a more understandable Nov 14, 2020 · The argument passed to the function passed in as the key= parameter to dict. get(). Apr 22, 2025 · Dictionaries are a fundamental data structure in Python, allowing you to store and organize data in key-value pairs. itemgetter() method can be used to sort a dictionary by value in Python. Sorting a Dictionary ¶ Previously, you have used a dictionary to accumulate counts, such as the frequencies of letters or words in a text. What is the best way to do this, ideally without the use of modules? I'm trying to sort OrderedDict in OrderedDict by 'depth' key. Method 1: Using sorted () + join () + lambda The combination of above functions can be used to perform this particular task. Learn how to sort Python dictionaries by keys or values using built-in functions like `sorted()` and handle edge cases with `OrderedDict`. Oct 5, 2015 · To sort a dictionary and keep it functioning as a dictionary afterwards, you could use OrderedDict from the standard library. They can be easily converted into JSON objects and vice versa. 7, dictionaries did not maintain any order. com Mar 21, 2025 · In Python, dictionaries are an essential data structure for storing and organizing data in key-value pairs. sorted () Let‘s start with the simplest approach – the built-in sorted() method along with dict. However, there are often scenarios where you might need to sort a dictionary, either by its keys or by its values. May 7, 2025 · Learn multiple ways to sort Python dictionaries by value with 5 simple methods and examples. Jan 26, 2017 · 1313 Note: for Python 3. May 25, 2025 · Conclusion In this comprehensive guide, we‘ve explored the various techniques for sorting Python dictionaries by their values and keys. items(): from timeit May 30, 2024 · We can sort Python dictionaries by their keys or values using the sorted () function. items() list, and then the sorted list is passed to the OrderedDict() constructor to create a new dictionary with the sorted order. Sort Dictionary by Value in Python using sorted () The combination of the Jul 22, 2025 · Method 2: Using dict() with sorted() (Python 3. Optionally, provide a 'key' function to sort by values. This means it’s possible to sort a dictionary in-place by sorting its items and updating the original dictionary with Jan 9, 2024 · After Python 3. Before Python 3. Related Article: How to Use Class And Instance Variables in Python Sorting Dictionary by Value Jul 23, 2025 · Sorting a list of dictionaries by a specific value is a common task in Python programming. Sort a Dictionary by Keys Let’s Mar 5, 2009 · I have a dictionary of values read from two fields in a database: a string field and a numeric field. This can have applications in many domains, including data and web development. Discover ascending and descending order sorting and bonus tips for key sorting. Mar 19, 2025 · In Python, dictionaries are a fundamental data structure used to store key-value pairs. In this blog post, we will explore various ways to sort dictionaries in Python, covering the Jan 29, 2025 · Sorting dictionaries in Python is a versatile task with multiple methods available depending on your specific needs. But first, let’s understand the sorted() function, which takes an iterable as an argument and returns a sorted version of that iterable. May 25, 2023 · In this example, the sorted() function is used to sort the my_dict. 9 Documentation / Standard Library: Changed in version 3. Let's discuss certain ways in which this can be performed. I can sort on the keys, but See full list on pythonguides. So we can easily sort dictionary by key using sorted() and many other modules and functions. 7, there are often cases where we need to sort them based on keys or values. The values are not taken care of. Why Sorting Dictionaries Matters As an experienced Python programmer, being able to efficiently order and organize dictionary data is essential. This is a common task when dealing with data where you need to order elements based on different criteria. Even if you sorted the (key,value) pairs, you wouldn't be able to store them in a dict in a way that would preserve the ordering. Dec 14, 2024 · Learn how to sort a Python dictionary by its keys or values using the sorted() function, lambda functions, and itemgetter(). This order can be based on the keys (e. Well, as of python 3. Aug 12, 2024 · Learn reliable methods to sort dictionary by value in Python in this guide with examples on `sorted()` , `operator. Jan 26, 2025 · A sorted dictionary in Python is a dictionary where the key-value pairs are arranged in a specific order. get) in descending order. In this article, we will explore how to effectively sort nested dictionaries in Python 3. To write efficient code and create optimized Apr 7, 2025 · A sorted dictionary in Python is a dictionary-like data structure where the key-value pairs are stored in a sorted order. items () function, etc. Jan 26, 2025 · In Python, dictionaries are a fundamental data structure used to store key-value pairs. Jul 11, 2025 · There are two elements in a Python dictionary-keys and values. Whether you are dealing with a list of user profiles, product information, or any other structured data represented as dictionaries within a list, understanding how to sort them effectively can greatly enhance the 16. Jul 28, 2020 · To sort a dictionary by value in Python you can use the sorted() function. Python’s sorted() function can be used to sort dictionaries by key, which allows for a custom sorting method. Jul 23, 2025 · Dictionaries are highly efficient for lookups, inserts, and deletions. Despite this, if you need to sort a dictionary by its keys alphabetically, you will need to explicitly do so using various methods. Sorting dictionaries in Python can be a bit tricky due to their unordered nature in earlier Python versions (dictionaries are now ordered as of Sorted Dict ¶ Sorted Containers is an Apache2 licensed Python sorted collections library, written in pure-Python, and fast as C-extensions. Each list has a different amount of tuples. In this tutorial, we will explore these methods and discuss best practices for dictionary sorting in Python. Dec 27, 2024 · Python dictionaries are powerful unordered data structures that provide fast key-value lookups. 4. Whether you’re working with small datasets or large collections, choosing the right method, such as sorted(), itemgetter(), or Counter(), allows for clear and structured data manipulation. Jul 15, 2025 · In Python, dictionaries store key-value pairs and are great for organizing data. items ()) sorts the key-value pairs alphabetically by the key . While dictionaries are unordered by default in Python versions before 3. Learn how to sort dictionaries by key and value. , alphabetical order for string keys or ascending/descending order for numerical keys) or the values. For example, the following code counts the frequencies of different numbers in the list. Learn how to create, modify, and use dictionaries in Python. Compare the performance and readability of different sorting methods and data structures. sorted() takes three arguments: object, key, and reverse. Jul 11, 2024 · Master Python dictionary sorting with our guide! Explore basic to advanced techniques for sorting by value, including reverse sorting and custom keys. However, there are often situations where you need to sort the contents of a dictionary. This blog post will explore different ways to sort dictionaries in Python, covering basic concepts, usage methods, common practices, and best practices. However, their inherent lack of ordering can make sorting dictionary contents challenging. This tutorial covers all dictionary operations with practical examples for beginners and advanced users. Sep 7, 2022 · Having the knowledge to sort dictionaries according to their values can prove useful in such cases. We can access the values of the dictionary using keys. There are many ways, depending on whether you want to sort it by key or by value. The script then employs `sorted` with `itemgetter ('age')` to sort the list based on the 'age' key. This order can be based on the keys themselves, the values associated with the keys, or even a custom sorting criteria. However, there are often times when you need to sort the data within a dictionary for better analysis, presentation, or processing. In Python, dictionaries are written with curly brackets, and they have keys and values. In this article, we will discuss the methods of sorting dictionaries by key or value using Python. Jun 19, 2024 · Learn efficient methods to sort a dictionary by values in Python. , the key). The problem is that sorting a dictionary by value is never a straightforward thing to do. Sorting can be based on keys, values, or a combination of both, depending on your requirements. To sort a dictionary in Python, call the sorted() function on the dictionary items. The result is printed, showcasing the sorted list of dictionaries by age. Consider the sortedcontainers module which is pure-Python and fast-as-C implementations. Sorting Dictionary By Key Using sort () In this example, we will sort the dictionary by keys and the result type will be a dictionary. A dictionary is a built-in Python data structure that stores key-value pairs. 6), what is the best/fastest way to sort a dictionary - both by value and by key? Jul 15, 2025 · Prerequisite: Dictionaries in Python A dictionary is a collection which is unordered, changeable and indexed. However, sorting a nested dictionary can be a bit tricky, as you need to consider both the keys and values at multiple levels. This blog post will explore the various ways to sort a dictionary in Python, covering the Nov 19, 2021 · Learn to use Python to sort a dictionary by its values, ascending or descending, using sorted, for loops and dictionary comprehensions. In this comprehensive guide, I‘ll teach you different techniques to sort a dictionary by value in Python using custom functions. 7+) For Python 3. We can sort a dictionary using two criteria − Sort by key − The dictionary is sorted in ascending order of its keys. Sorting a dictionary can be crucial in many scenarios, such as when you need to present data in a specific order, analyze data based on sorted keys or values, or when working with algorithms that require sorted input. 2. Get the list of keys and values separately. tbkjfax yq4bz 8fvwtpc zx2mj9 bybo df8 scl 9okk fewi2 pa7