<human>: What is the best way to: How do you hang a shelf?

OPTIONS:
- Get shelf hanger brackets, when you see where you want to hang it hammer nails in the wall and screw the brackets on.
- Get shelf hanger brackets, when you see where you want to hang it drill holes in the wall and screw the brackets on.
<bot>: Get shelf hanger brackets, when you see where you want to hang it drill holes in the wall and screw the brackets on.