def standing_on_food(t):
"""Return True/False whether t is standing on a consumable."""
for id in [id for id in world_db["Things"] if world_db["Things"][id] != t
+ if not world_db["Things"][id]["carried"]
if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
if world_db["Things"][id]["T_POSX"] == t["T_POSX"]
if world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]]