If you want to learn more about Python, freeCodeCamp has a Python Certification which takes you from the fundamentals such as variables, loops, and functions to more advanced concepts such as data structures. Use the json.loads() function to convert a string to an object:Īnd there you have it – you now know the basics of using JSON in Python.Json_object = json.loads(employee_string) If you have JSON string data in your program like so: #include json libraryĮmployee_string = '' At the top you would add the following line: import json This comes built-in to Python and is part of the standard library. Load your text in the input form on the left. To use JSON with Python, you'll first need to include the JSON module at the top of your Python file. Worlds simplest browser-based utility for JSON stringifying text. How to work with JSON data in Python Include the JSON module for Python It defines the first name and last name of an employee this created an 'employee' object that has 2 records. In that case, arrays are contained inside square brackets: [ You can also create arrays, an ordered list of values, with JSON. The example above showed an object, a collection of multiple key-value pairs. There can be more than one key-value pair and each one is separated by a comma: "first_name": "Katie", "last_name": "Rodgers" In JSON, data is written in key-value pairs, like so: "first_name": "Katie"ĭata is enclosed in double quotation marks and the key-value pair is separated by a colon. This is compared to the complicated and less compact XML, which was the format of choice years ago. It's a much more solid format to use during the request-response cycle web applications use when connecting over a network. JSON is mostly used for sending and receiving data between a server and a client, where the client is a webpage or web application. Most modern programming languages have libraries for parsing and generating JSON data. JSON was inspired by the JavaScript programming language, but it's not tied to only one language. It is a data format that's used for storing and transferring information for web applications. JSON stands for JavaScript Object Notation. You'll also see how to convert a string to JSON in Python. In this tutorial you'll learn the basics of JSON – what it is, where it is most commonly used, and its syntax.
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