For someone inexperienced it's really not. They don't have the intuition to know when it's time to cut your losses and move on from a dead end, and they don't k

For someone inexperienced it's really not. They don't have the intuition to know when it's time to cut your losses and move on from a dead end, and they don't know when to ask someone else for input. A full week without supervision on an open ended problem is likely to get them extremely tangled up in a bad solution.