This method executes the propose of Taking an object from any area. It checks to see if the adventurer
is past maximum capacity with the new item added to it (max capacity = 40)
If it's too heavy, an error message pops up saying "Your load is too heavy" and the adventurer won't
be able to pick up item.
If adventurer decides to take item and has enough room for it, it will be added to their inventory.