magicians = ['ergou','qiqi','shitou']
great_magicians = []

def make_great(magicians,great_magicians):
    while magicians:
        magician = magicians.pop()
        great_magician = 'the Great' + magician
        great_magicians.append(great_magician)
        
def show_magicianslis(great_magicians):
    for name in great_magicians:
        print(name)
        
make_great(magicians[:],great_magicians)
show_magicianslis(great_magicians)