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A dictionary stores data in key-value pairs, where each key must be unique. Adding values allows us to expand or update the dictionary's contents, enabling dynamic manipulation of d 3 min read Add new keys to a dictionary in Python In this article, we will explore various methods to add new keys to a dictionary in Python. Let's explore them with examples:Using Assignment Operator (=)The simplest way to add a new key is by using assignment operator (=).Pythond = {"a": 1, "b": 2} d["c"] = 3 print(d)Output{'a': 1, 'b': 2, 'c': 3} 2 min read Add Item after Given Key in Dictionary - Python The task of adding an item after a specific key in a Pythondictionary involves modifying the order of the dictionary's key-value pairs. Since Python dictionaries maintain the insertion order, we can achieve this by carefully placing the new key-value pair after the target key. For example, consider 4 min read Python - Ways to remove a key from dictionary We are given a dictionary and our task is to remove a specific key from it. For example, if we have the dictionary d = {"a": 1, "b": 2, "c": 3}, then after removing the key "b", the output will be {'a': 1, 'c': 3}.Using pop()pop() method removes a specific key from the dictionary and returns its cor 3 min read Removing Dictionary from List of Dictionaries - Python We are given a list of dictionaries, and our task is to remove specific dictionaries based on a condition. For instance given the list: a = [{'x': 10, 'y': 20}, {'x': 30, 'y': 40}, {'x': 50, 'y': 60}], we might want to remove the dictionary where 'x' equals 30 then the output will be [{'x': 10, 'y': 3 min read Python - Remove item from dictionary when key is unknown We are given a dictionary we need to remove the item or the value of key which is unknown. For example, we are given a dictionary a = {'a': 10, 'b': 20, 'c': 30} we need to remove the key 'b' so that the output dictionary becomes like {'a': 10, 'c': 30} . To do this we can use various method and app 4 min read Python - Test if all Values are Same in Dictionary Given a dictionary, test if all its values are the same. Input : test_dict = {"Gfg" : 8, "is" : 8, "Best" : 8} Output : True Explanation : All element values are same, 8. Input : test_dict = {"Gfg" : 8, "is" : 8, "Best" : 9} Output : False Explanation : All element values not same. Method #1: Using 7 min read Python | Test if element is dictionary value Sometimes, while working with a Python dictionary, we have a specific use case in which we just need to find if a particular value is present in the dictionary as it's any key's value. This can have use cases in any field of programming one can think of. Let's discuss certain ways in which this prob 4 min read Why is iterating over a dictionary slow in Python? In this article, we are going to discuss why is iterating over a dict so slow in Python? Before coming to any conclusion lets have a look at the performance difference between NumPy arrays and dictionaries in python: Python # import modules import numpy as np import sys # compute numpy performance d 3 min read Iterate over a dictionary in Python In this article, we will cover How to Iterate Through a Dictionary in Python. To Loop through values in a dictionary you can use built-in methods like values(), items() or even directly iterate over the dictionary to access values with keys.How to Loop Through a Dictionary in PythonThere are multipl 6 min read Like