A Brainfuck interpreter is a program that executes code written in the Brainfuck programming language. Brainfuck is a minimalist and esoteric programming language that consists of only 8 commands, each represented by a single character. The commands allow for basic operations such as moving the data pointer, incrementing or decrementing the value at the data pointer, outputting the value at the data pointer as a character, and reading a character from input and storing it at the data pointer. The code written in Brainfuck is executed by the interpreter by translating the commands into equivalent operations in a more conventional programming language, such as Python in the example given.
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