What about the famous solution provided by Descartes, “Cogito ergo sum”? Let's assume the fact that “we think”, so we can put it in a function to be computable,

What about the famous solution provided by Descartes, “Cogito ergo sum”? Let's assume the fact that “we think”, so we can put it in a function to be computable, how is that going to prove that “I exist” for a machine? How is the machine going to perceive itself as a conscious being?