JSON is a file type is used to store and transmit structured, tree-like data widely used in many different applications in AI and ML. Its lightweight nature and human-readable format makes it ideal for configuring machine learning model parameters. It's also an industry-wide file format used in the output of data labeling projects and image, text and spatial annotation. In the general internet, JSON is used as data interchange between servers and web applications in most applications. JSON (JavaScript Object Notation) files store training and testing data, weights and training progress in ML programs. ML oriented languages like Python contain multiple built-in libraries to encode and decode JSON and integrates it with data science modules.

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