# You need to collect several items.
# But, the burl wants the gems!
# Pick up all appearing items EXCEPT gems.

while True:
    # Find the nearest item.
    item = hero.findNearestItem()
    # If there is an item:
    if item:
        # If item.type isn't equal to "gem":
        if item.type != "gem":
            # Move to the item's position.
            hero.moveXY(item.pos.x, item.pos.y)