what is xml

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XML, or Extensible Markup Language, is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. It was designed to store and transport data, and it is commonly used for representing structured information in a text format. Here are some key features and concepts related to XML:

Here's a simple example of an XML document:

<library>
    <book ISBN="123456789">
        <title>Sample Book</title>
        <author>John Doe</author>
    </book>
    <book ISBN="987654321">
        <title>Another Book</title>
        <author>Jane Smith</author>
    </book>
</library>


XML is widely used in various applications, such as configuration files, data interchange between systems, and representing data in web services (SOAP and RESTful APIs).

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