![]() If you want more, be sure to go to LearnPython. Python Dictionary From the Dictionary Literal and the Python dict() constructor, to more complex examples of JSON files, dictionary union operators, and dict comprehensions. In this article, we explore 5 ways to create dictionaries in Python. It’s super convenient and is the best way to merge two dictionaries in newer releases of Python. Since Python dictionaries are so ubiquitous, it is no surprise you can build them from many different sources. New to Python 3.9, the dictionary union operator lets you merge two dictionaries in a single line. Dictionaries are central to data processing in Python, and you run into them when loading data from files or retrieving data from the web. Just think about how many real-life objects can be modeled using key-value pairs: students and their grades, people and their occupations, products and their prices, just to name a few. ![]() But you may not have realized dictionaries in Python come in all shapes and sizes and from all kinds of sources. You understand you must provide a key to the dictionary to retrieve a value. You know all about how dictionaries are mutable data structures that hold key-value pairs. So, you've already figured out how to use dictionaries in Python. ![]() For example, using the update () method, using the unpacking operator, and using dictionary comprehension. There are multiple ways to achieve this, and in this article, we will explore some of these approaches. Want to step up your Python game? Learn how to create dictionaries in Python from many different sources, including reading from JSON files and combining two dictionaries. Python Merge two dictionaries into a single is a common operation in Python when working with dictionaries. ![]()
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