Python dictionary-programs

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Add Key to Dictionary Python Without Value

Last Updated: 23 January 2024

In Python, dictionaries are a versatile and widely used data structure that allows you to store and organize data in key-value pairs. While ...read more

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Python - Key with Maximum element at Kth index in Dictionary Value List

Last Updated: 05 April 2023

Given a dictionary with values as lists, the task is to write a Python program to get the key with the maximum element at the Kth index by c ...read more

Python - Minimum value key assignment

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Last Updated: 23 April 2023

Given two dictionaries, the task is to write a Python program to assign minimum values for matching keys from both dictionaries.Examples:Inp ...read more

Python program to Convert Matrix to List of dictionaries

Last Updated: 31 March 2023

Given a Matrix, convert it to a list of dictionaries by mapping similar index values.Input : test_list = [["Gfg", [1, 2, 3]], ["best", [9, 1 ...read more

Python program to group keys with similar values in a dictionary

Last Updated: 20 February 2023

Given a dictionary with values as a list. Group all the keys together with similar values.Input : test_dict = {"Gfg": [5, 6], "is": [8, 6, 9 ...read more

Python - Dictionary Keys whose Values summation equals K

Last Updated: 02 August 2023

Given a dictionary and a value K, extract keys whose summation of values equals K.Input : {"Gfg" : 3, "is" : 5, "Best" : 9, "for" : 8, "Geek ...read more

Python - Column Maximum in Dictionary Value Matrix

python

Last Updated: 10 May 2023

Given a Dictionary with Matrix Values, compute maximum of each column of those Matrix.Input : test_dict = {"Gfg" : [[7, 6], [3, 2]], ...read more

Python - Filter and Double keys greater than K

Last Updated: 05 May 2023

Sometimes, while working with Python dictionaries, we can have the task of extracting certain keys after manipulation and filtration, both a ...read more

Python - Sort Dictionary by Value Difference

Last Updated: 25 April 2023

Sometimes, while working with Python dictionaries, we can have problem in which in which we need to perform sorting of items on basis of var ...read more

Python - Extract Equal Pair Dictionary

Python-sort

Last Updated: 25 April 2023

While working with a Python dictionary, we are supposed to create a new dictionary of the existing dictionary having tuple as key. We desire ...read more

Python | K modulo on each Dictionary Key

Last Updated: 27 April 2023

Sometimes, while working with dictionaries, we might come across a problem in which we require to perform a particular operation on each val ...read more

Python - Incremental value initialization in Dictionary

Last Updated: 09 April 2023

The interconversion between the datatypes is very popular and hence many articles have been written to demonstrate different kind of problem ...read more

Python list-programs

Python - Extracting Kth Key in Dictionary

Last Updated: 27 April 2023

Many times, while working with Python, we can have a situation in which we require to get the Kth key of dictionary. There can be many speci ...read more

Python | Segregating Key's Values

Last Updated: 27 April 2023

Many times when we have the requirement to separate the values of a dictionary key in case we have a list of dictionary and need to separate ...read more

Python list-programs