Python collections-module Archives

Last Updated: 16 February 2022

An OrderedDict is a dict that remembers the order in that keys were first inserted. If a new entry overwrites an existing entry, the original insertion position is left un...read more

Python

Python collections-module

Python Collections Module

Last Updated: 13 June 2025

The collection Module in Python provides different types of containers. A Container is an object that is used to store different objects and provide a way to access the co...read more

Python

Python collections-module

Python - Counter.items(), Counter.keys() and Counter.values()

Last Updated: 10 July 2024

Counter class is a special type of object data-set provided with the collections module in Python3. Collections module provides the user with specialized container datatyp...read more

Python

Python collections-module

Difference between DataClass vs NamedTuple vs Object in Python

Last Updated: 01 August 2020

Data Class: Data Class is a type of class that is used to store data without any functionality. These data classes are just regular classes having the main purpose to stor...read more

Python

python-oop-concepts

Python collections-module

How to get the first and last elements of Deque in Python?

Last Updated: 01 October 2020

Deque is a Double Ended Queue which is implemented using the collections module in Python. Let us see how can we get the first and the last value in a Deque.Method 1: Acce...read more

Python

deque

Python collections-module

Python - Queue.LIFOQueue vs Collections.Deque

Last Updated: 03 July 2024

Both LIFOQueue and Deque can be used using in-built modules Queue and Collections in Python, both of them are data structures and are widely used, but for different purpos...read more

Python

Python collections-module

Difference between queue.queue vs collections.deque in Python

Last Updated: 22 February 2023

Both queue.queue and collections.deque commands give an idea about queues in general to the reader but, both have a very different application hence shouldn't be confused ...read more

Python

Difference Between

Python collections-module

How to check if an object is iterable in Python?

Last Updated: 26 August 2022

In simple words, any object that could be looped over is iterable. For instance, a list object is iterable and so is an str object. The list numbers and string names are i...read more

Python

Technical Scripter 2020

Python-Built-in-functions

Python collections-module

How to convert JSON to Ordereddict?

Last Updated: 24 January 2021

The full-form of JSON is JavaScript Object Notation. It means that a script (executable) file which is made of text in a programming language, is used to store and transfe...read more

Technical Scripter

Python

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Technical Scripter 2020

Python collections-module

Python-json

How to iterate over OrderedDict in Python?

Last Updated: 07 February 2023

An OrderedDict is a subclass that preserves the order in which the keys are inserted. The difference between OrderedDict and Dict is that the normal Dict does not keep a t...read more

Python

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Python collections-module

Convert a Nested OrderedDict to Dict - Python

Last Updated: 29 January 2025

The task of converting a nested OrderedDict to a regular dictionary in Python involves recursively transforming each OrderedDict including nested ones into a standard dict...read more

Python

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python-dict

Python collections-module

Python program to get all subsets having sum x

Last Updated: 25 February 2021

We are given a list of n numbers and a number x, the task is to write a python program to find out all possible subsets of the list such that their sum is x.Examples:Input...read more

Python

Python collections-module

Python list-programs

Python most_common() Function

Last Updated: 17 April 2025

most_common() function is a method provided by the Counter class in Python's collections module. It returns a list of the n most common elements and their counts from a co...read more

Python

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Python-Functions

Python collections-module

Python Counter.update() Method

Last Updated: 03 April 2024

Python's Counter is a subclass of the dict class and provides a convenient way to keep track of the frequency of elements in an iterable. The Counter.update() method is pa...read more

Python

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Python collections-module

How to Fix AttributeError: collections has no attribute 'MutableMapping' in Python

Last Updated: 13 June 2024

The AttributeError: module 'collections' has no attribute 'MutableMapping' error is a common issue encountered by the Python developers especially when working with the ol...read more

Python

Python collections-module

Python How-to-fix