# b_inv.py

# b_inv.py

inv = {
    "Gold": 200,
    "Silver": 1500,
    "Ruby": 3,
    "Diamond": 16,
}

loot = {
    "Gold": 10,
    "Silver": 80,
    "Diamond": 2,
    "Emerald": 4,
    "Sapphire": 2,
    "Topaz": 1
}

new_inv = {k: inv.get(k, 0) + loot.get(k, 0) for k in set(inv) | set(loot)}

print(new_inv)