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!')