In computer programming, an interpreted language is a programming language whose programs are not directly executed by the host cpu but rather executed (or said to be interpreted) by a software program known as an interpreter. The source code of the program is often translated to a form that is more convenient to interpret, which may be some form of machine language for a virtual machine. Theoretically, any language may be compiled or interpreted, so this designation is applied purely because of common implementation practice and not some underlying property of a language. Some languages have characteristics which mean that there is little performance difference between an interpretive or compiled based approach to their implementation.

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