tank.py

#!/usr/bin/python -tt

class Tank(object):

  def __init__(self, name):
    
    self.name = name
    self.alive  = True
    self.ammo = 10
    self.armor = 100

  def __str__(self):

    if self.alive:
      return "%s (%i armor, %i shells)" % (self.name, self.armor, self.ammo)
    else:
      return "%s (DEAD)" % self.name


  def fires_at(self, enemy):

    if self.ammo >=1:
      self.ammo -=1
      print self.name, "fires on ", enemy.name
      enemy.took_damage()
    else:
      print self.name, "is out of ammo !"


  def took_damage(self):

    self.armor -= 20
    print self.name , " just got hit with a shell!"
    if self.armor <= 0 :
      self.killed()


  def killed(self):

    self.alive = False
    print self.name, " is dead !"