print("-------------------------------------------")
print("Troll attack:" )

import random

health = 100

print()
print( "You are attacked by a troll!" )
print( "Your health:", health)

while health > 0:
    print()
    print( "The troll swings his axe" )

    damage = random.randint( 5,20 )
    health = health - damage

    print( "You take", damage, "damage" )
    print( "Your health:", health )

print()
print( "You are... DEAD!" )