3. Use test_and_setl) instruction to show how to protect the critical section in the following sudo code. Explain whether your sudo code can achieve the three conditions mentioned in the previous question. If yes, explain why. And if no, show how to modify your sudo code to fulfillall the three conditions, and explain why the modified sudo code can now fulfill all the three conditions. /* lock is initially set to false* /* the current thread is indexed by i, and there are totally n threads do ( /* begin of critical section 4AS / end of critical section /" remained section ) while (true)