Tag: pairs
Python: Iterate / Loop over Dictionary (All key-value pairs)
In this article we will discuss different ways to iterate over all key-value pairs of a dictionary. Table of Contents: Iterate over a dictionary using for loop over keys Iterate over key-value pairs of dictionary using dict.items() Iterate over a dictionary using list comprehension Iterate over specific key-value pairs of dictionary Suppose we have a …
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Python: Print all key-value pairs of a dictionary
In this article, we will learn about different ways to print all items (key-value pairs) of a dictionary. Subscribe Table of Contents Print all pairs of dictionary using for loop and items() Print all pairs of dictionary by iterating over keys only Print all pairs of dictionary in reverse order Print all key-value pairs of …
Python: Print Specific key-value pairs of dictionary
In this article, we will discuss different ways to print specific key-value pairs of a dictionary. We can either use indexing or conditions to select few pairs from a dictionary and print them. Table of Contents Print specific key-value pairs from dictionary using indexing. Print first Key-value pair of dictionary. Print last Key-value pair of …
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Python: Convert dictionary to list of tuples/ pairs
In this article, we will discuss different ways to convert all key-value pairs of a dictionary to a list of tuples. Table of Contents Convert all pairs of dictionary to list of tuples using items() Use zip() to convert all pairs of dictionary to list of tuples Use List comprehension to convert all pairs of …
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Add key-value pairs to an empty dictionary in Python
This article will discuss different ways to add key-value pairs to an empty dictionary in python, like using [] operator, update() function or dictionary comprehension. Add key-value pairs to an empty dictionary using [] operator Suppose we have an empty dictionary like this, # Creating an empty dictionary sample_dict = {} To add a new …
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Convert an Object{} to an Array[] of key-value pairs in Javascript
While working with javascript objects and arrays, the generic requirement developers encounter is converting an object to an array of key-value pairs. This article demonstrates easy ways to convert objects to an array of key-value pairs in javascript using different methods and example illustrations. Table of Contents: Convert an Object{} to an Array[] of Key-Value …
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How to Sort an Array of pairs in C++?
In this article, we will discuss different ways to sort an array of std::pair in C++. How to sort an Array in C++? Subscribe Table Of Contents Problem Statement Sort Array of Pairs using STL sort() function Using Normal Function as argument in sort() Using Lambda Function as argument in sort() Sort Array of Pairs …