Drill 5: Why this way — Functions and collections

def average(values):
    if not values:
        return 0
    return sum(values) / len(values)

scores = {"html": 88, "css": 92, "js": 79}

for skill, score in scores.items():
    print(f"{skill.upper()}: {score}")

passed = [skill for skill, score in scores.items() if score >= 80]
print(f"Passed: {passed}")
print(f"Average: {average(list(scores.values())):.1f}")