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Python-dict-functions

12 posts

Python dict() Function

Last Updated: 23 July 2025

dict() function in Python is a built-in constructor used to create dictionaries. A dictionary is a mutable, unordered collection of key-value pairs, where each key is uniq...read more

Python-Functions

Python-dict-functions

Different ways of sorting Dictionary by Values and Reverse sorting by values

Last Updated: 23 July 2025

Prerequisite: Dictionaries in PythonA dictionary is a collection which is unordered, changeable, and indexed. In Python, dictionaries are written with curly brackets, and ...read more

Python-dict-functions

Python dictionary-programs

Combine similar characters in Python using Dictionary Get() Method

Last Updated: 15 July 2025

Let us see how to combine similar characters in a list.Example :Input : ['g', 'e', 'e', 'k', 's', 'f', 'o', 'r', 'g', 'e', 'e', 'k', 's']Output : ['gg', 'eeee', 'kk', 'ss'...read more

Python-dict-functions

Use get() method to Create a Dictionary in Python from a List of Elements

Last Updated: 15 July 2025

We are given a list of elements and our task is to create a dictionary where each element serves as a key. If a key appears multiple times then we need to count its occurr...read more

Python-dict-functions

Dictionary has_key() - Python

Last Updated: 11 July 2025

The has_key() method in Python was used to check whether a specified key exists in a dictionary. However, this method was removed in Python 3 and the preferred approach to...read more

Python-dict-functions

Python Dictionary pop() Method

Last Updated: 11 July 2025

The Python pop() method removes and returns the value of a specified key from a dictionary. If the key isn't found, you can provide a default value to return instead of ra...read more

Python-dict-functions

Python Dictionary popitem() method

Last Updated: 11 July 2025

popitem() method in Python is used to remove and return the last key-value pair from the dictionary. It is often used when we want to remove a random element, particularly...read more

Python-dict-functions

Python Dictionary keys() method

Last Updated: 17 February 2026

dict.keys() method in Python returns a view object that contains all the keys of the dictionary. The returned object is dynamic, meaning any changes made to the dictionary...read more

Python-dict-functions

Python Dictionary items() method

Last Updated: 17 February 2026

dict.items() method in Python returns a view object containing all key-value pairs of the dictionary as tuples. This view updates automatically when the dictionary is modi...read more

Python-dict-functions

Python Dictionary update() method

Last Updated: 16 February 2026

update() method in Python dictionary is used to add new key-value pairs or modify existing ones using another dictionary, iterable of pairs or keyword arguments. If a key ...read more

Python-dict-functions

Python Dictionary setdefault() Method

Last Updated: 08 September 2025

The setdefault() method in Python is used with dictionaries to:Return the value of a specified key if it exists.If the key does not exist, it adds the key with a default v...read more

Python-dict-functions

Python Dictionary fromkeys() Method

Last Updated: 09 August 2022

Python dictionary fromkeys() function returns the dictionary with key mapped and specific value. It creates a new dictionary from the given sequence with the specific valu...read more

Python-dict-functions