XML is the acronym for EXtensible Markup Language is a lightweight text-based markup language
that defines a set of rules for encoding documents in a format which are easy for humans to read and write as well as
computer machine. It is easy for machines to parse and generate.
It is developed by W3C(World Wide Web Consortium) & derived from Standard Generalized Markup Language (SGML).
It is alternative to JSON (as both are used for storing and exchanging data)