python运用选择法输出数字排序

Question

python程序写出:产生10个随机数存放于列表中，按元素的个位进行降序排序，输出排序前和排序后的列表!

Answer 1

import random

l = [random.randint(10,50) for n in range(10)]
print(l)
ls = sorted(l, key=lambda x: str(x)[-1], reverse = True)
print(ls)
'''--result
[46, 12, 30, 15, 18, 15, 43, 43, 37, 21]
[18, 37, 46, 15, 15, 43, 43, 12, 21, 30]
'''