for id in t["T_CARRIES"]:
type = world_db["Things"][id]["T_TYPE"]
if world_db["ThingTypes"][type]["TT_TOOL"] == "food" \
and world_db["ThingTypes"][type]["TT_TOOLPOWER"]:
nutvalue = world_db["ThingTypes"][type]["TT_TOOLPOWER"]
for id in t["T_CARRIES"]:
type = world_db["Things"][id]["T_TYPE"]
if world_db["ThingTypes"][type]["TT_TOOL"] == "food" \
and world_db["ThingTypes"][type]["TT_TOOLPOWER"]:
nutvalue = world_db["ThingTypes"][type]["TT_TOOLPOWER"]