def countEnnemies(column,ennemies):
    """ Return the closest enemy distance, and the total in a column """ 
    tot_ennemies = 0
    closest = 0
    colx= column 
    for ennemy in ennemies :
        if ennemy.y>0:
            if (ennemy.x == colx):
                tot_ennemies = tot_ennemies +1
                if (ennemy.y > closest) :
                    closest = ennemy.y
    return(closest,tot_ennemies)