class Unit:
    def init(self,unit_type,attack_value,defend_value):
        self.type=str(unit_type)
        self.attack=int(attack_value)
        self.defend=int(defend_value)

unit = Unit('tank',9,4)

print(unit)
print(unit.type)
print(unit.attack)
print(unit.defend)


'''
================== RESTART: C:/dev/python/python_combat.py ==================
Traceback (most recent call last):
  File "C:/dev/python/python_combat.py", line 7, in <module>
    unit = Unit('tank',9,4)
TypeError: Unit() takes no arguments
>>>
'''