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Brainfuck⁰
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Brainfuck⁰ is an esolang invented by User:None1 and inspired by Brainfuck², it is very stupid. It is like BF with only the + instruction, but way worse because you can only increment zero times or once.
Commands
The only valid program - Brainfuck increases the accumulator.
Examples
Increase the accumulator
Brainfuck
Interpreter
Python
a,x=input(),0
if a=='Brainfuck':
x+=1