[Tutor] Python Help - How to end program

[Jason MacFiggen]

Python keeps looping when it gets past the int 0, how do I end the program
when it the int 0 or > 0.

my_hp = 50
    mo_hp = 50
    my_dmg = random.randrange(1, 20)
    mo_dmg = random.randrange(1, 20)
    endProgram = end()
    while True:
        if mo_hp < 0:
            print "The Lich King has been slain!"
        elif my_hp < 0:
            print "You have been slain by the Lich King!"
        if mo_hp <= 0:
            endProgram
        else my_hp <= 0:
            endProgram
        else:
            print "Menu Selections: "
            print "1 - Attack"
            print "2 - Defend"
            print
            choice = input ("Enter your selection. ")
            choice = float(choice)
            print
        if choice == 1:
            mo_hp = mo_hp - my_dmg
            print "The Lich King is at ", mo_hp, "Hit Points"
            print "You did ", my_dmg, "damage!"
            print
            my_hp = my_hp - mo_dmg
            print "I was attacked by the lk for ", mo_dmg," damage!"
            print "My Hit Points are ", my_hp
            print
        elif choice == 2:
            mo_hp = mo_hp - my_dmg / 2
            print "The Lich King is at", mo_hp, "Hit Points"
            print "you did ", my_dmg / 2, "damage!"
            print
            my_hp = my_hp - mo_dmg
            print "I was attacked by the lk for ", mo_dmg," damage!"
            print "My Hit Points are ", my_hp
            print
-Thank you
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