part1
function combatPower(objList) {
let power = 0;
let count = {
purgatory: 0,
dark: 0,
ranger: 0,
light: 0,
swordsman: 0,
toxic: 0,
sand: 0,
berserker: 0,
assassin: 0,
crystal: 0,
predator: 0,
patronSaint: 0,
polar: 0,
energy: 0,
ocean: 0,
mage: 0,
summon: 0,
woodland: 0,
iron: 0
};
```