def show_magicians(magicians_list):

for magician in magicians_list:

print(magician.title())

def make_great(magicians_modify):

"""

调用这个方法会返回修改后的列表，下面方法是百度出来的 for

:param magicians_modify:

:return:

"""

for i in range(len(magicians_modify)):

magicians_modify[i] = "the Great " + magicians_modify[i]

return magicians_modify

def make_great_default(magicians_now, magicians_modified):

"""使用while循环赋值"""

while magicians_now:

current_magician = "the Great " + magicians.pop()

magicians_modified.append(current_magician)

magicians = ['jack', 'amy', 'helen']

modify_magicians = []

make_great_default(magicians, modify_magicians)

show_magicians(modify_magicians)

# magicians_change = make_great(magicians[:])

# show_magicians(magicians)

# show_magicians(magicians_change)