# This shows how to define a function called cleaveWhenClose
# The function defines a parameter called `target`
def cleaveWhenClose(target):
    if hero.distanceTo(target) < 5:
        pass
        # Put your attack code here
        # If cleave is ready, then cleave target
        ready = hero.isReady("cleave")
        if ready:
            hero.cleave(enemy)
        # else, just attack `target`!
        else:
            hero.attack(enemy)

# This code is not part of the function.
while True:
    enemy = hero.findNearestEnemy()
    if enemy:
        # Note that inside cleaveWhenClose, we refer to the `enemy` as `target`.
        cleaveWhenClose(enemy)