# return sends a result back to whoever called the function
def spell_power(level, practice_hours):
    power = level * 10 + practice_hours
    return power

my_power = spell_power(3, 12)
print("Spell strength:", my_power)

def is_passing(score):
    return score >= 70

if is_passing(85):
    print("Outstanding — you passed your OWL!")