python read data from json file
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Title: A Beginner's Guide to Reading Data from a JSON File in Python
Introduction:
JSON (JavaScript Object Notation) is a lightweight data interchange format commonly used for data exchange between a server and a web application, as well as for configuration files. In Python, working with JSON files is straightforward, thanks to the built-in json module. This tutorial will guide you through the process of reading data from a JSON file using Python, providing you with code examples along the way.
Step 1: Import the json Module
To get started, you need to import the json module, which is part of the Python standard library. This module provides methods for encoding and decoding JSON data.
Step 2: Open the JSON File
Use the open() function to open the JSON file in read mode ('r'). Make sure to provide the correct file path.
Step 3: Load JSON Data
Use the json.load() method to parse the JSON data from the file into a Python data structure. In most cases, this will return a dictionary.
Step 4: Accessing Data
Once the data is loaded, you can access specific values using the keys in the dictionary.
Step 5: Handling JSON Arrays
If your JSON file contains an array, you can iterate through its elements.
Step 6: Complete Example
Conclusion:
Reading data from a JSON file in Python is a simple process with the help of the json module. By following the steps outlined in this tutorial, you can easily incorporate JSON data into your Python applications.
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