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from lpython import i32

class Character:

def __init__(self:"Character", name:str, health:i32, attack_power:i32):

self.name :str = name

self.health :i32 = health

self.attack_power : i32 = attack_power

self.is_immortal : bool = False

def attack(self:"Character", other:"Character")->str:

other.health -= self.attack_power

return self.name+" attacks "+ other.name+" for "+str(self.attack_power)+" damage."

def is_alive(self:"Character")->bool:

if self.is_immortal:

return True

else:

return self.health > 0

def main():

hero : Character = Character("Hero", 10, 20)

monster : Character = Character("Monster", 50, 15)

print(hero.attack(monster))

print(monster.health)

assert monster.health == 30

print(monster.is_alive())

assert monster.is_alive() == True

print("Hero gains temporary immortality")

hero.is_immortal = True

print(monster.attack(hero))

print(hero.health)

assert hero. health == -5

print(hero.is_alive())

assert hero.is_alive() == True

print("Hero's immortality runs out")

hero.is_immortal = False

print(hero.is_alive())

assert hero.is_alive() == False

print("Restarting")

hero = Character("Hero", 10, 20)

print(hero.is_alive())

assert hero.is_alive() == True

main()