Python Dictionary Exercise

Last Updated : 01 Oct, 2021

Basic Dictionary Programs

Conversion of dictionary

Advance Dictionary Programs

GeeksforGeeks

Improve

Previous Article

Python Dictionary Methods

Similar Reads

Python | Convert flattened dictionary into nested dictionary

Given a flattened dictionary, the task is to convert that dictionary into a nested dictionary where keys are needed to be split at '_' considering where nested dictionary will be started. Method #1: Using Naive Approach Step-by-step approach : Define a function named insert that takes two parameters, a dictionary (dct) and a list (lst). This functi

Python | Convert nested dictionary into flattened dictionary

Given a nested dictionary, the task is to convert this dictionary into a flattened dictionary where the key is separated by '_' in case of the nested key to be started. Method #1: Using Naive Approach Step-by-step approach : The function checks if the input dd is a dictionary. If it is, then it iterates over each key-value pair in the dictionary, a

Convert String Dictionary to Dictionary Python

Interconversions of data types have been discussed many times and have been quite a popular problem to solve. This article discusses yet another problem of interconversion of the dictionary, in string format to a dictionary. Let's discuss certain ways in which this can be done. Convert String Dictionary to Dictionary Using json.loads() This task ca

Python | Dictionary initialization with common dictionary

Sometimes, while working with dictionaries, we might have an utility in which we need to initialize a dictionary with records values, so that they can be altered later. This kind of application can occur in cases of memoizations in general or competitive programming. Let’s discuss certain way in which this task can be performed. Method 1: Using zip

Python - Update dictionary with other dictionary

Sometimes, while working with Python dictionaries, we can have problem in which we need to perform the update of dictionary with other keys of dictionary. This can have applications in domains in which we need to add certain records to previously captured records. Let's discuss certain ways in which this task can be performed. Method #1 : Using loo

Convert Dictionary Value list to Dictionary List Python

Sometimes, while working with Python Dictionaries, we can have a problem in which we need to convert dictionary list to nested records dictionary taking each index of dictionary list value and flattening it. This kind of problem can have application in many domains. Let's discuss certain ways in which this task can be performed. Input : test_list =

Python - Replace dictionary value from other dictionary

Given two dictionaries, update the values from other dictionary if key is present in other dictionary. Input : test_dict = {"Gfg" : 5, "is" : 8, "Best" : 10, "for" : 8, "Geeks" : 9}, updict = {"Geeks" : 10, "Best" : 17} Output : {'Gfg': 5, 'is': 8, 'Best': 17, 'for': 8, 'Geeks': 10} Explanation : "Geeks" and "Best" values updated to 10 and 17. Inpu

Python - Append Dictionary Keys and Values ( In order ) in dictionary

Given a dictionary, perform append of keys followed by values in list. Input : test_dict = {"Gfg" : 1, "is" : 2, "Best" : 3} Output : ['Gfg', 'is', 'Best', 1, 2, 3] Explanation : All the keys before all the values in list. Input : test_dict = {"Gfg" : 1, "Best" : 3} Output : ['Gfg', 'Best', 1, 3] Explanation : All the keys before all the values in

Python - Combine two dictionaries having key of the first dictionary and value of the second dictionary

Given two dictionaries. The task is to merge them in such a way that the resulting dictionary contains the key from the first dictionary and the value from the second dictionary. Examples: Input : test_dict1 = {"Gfg" : 20, "is" : 36, "best" : 100}, test_dict2 = {"Gfg2" : 26, "is2" : 20, "best2" : 70} Output : {'Gfg': 26, 'is': 20, 'best': 70} Expla

Python program to update a dictionary with the values from a dictionary list

Given a dictionary and dictionary list, update the dictionary with dictionary list values. Input : test_dict = {"Gfg" : 2, "is" : 1, "Best" : 3}, dict_list = [{'for' : 3, 'all' : 7}, {'and' : 1, 'CS' : 9}] Output : {'Gfg': 2, 'is': 1, 'Best': 3, 'for': 3, 'all': 7, 'and': 1, 'CS': 9} Explanation : All dictionary keys updated in single dictionary. I

Article Tags :

Practice Tags :

python