[1, 2, 3, 4, 5, 6] 转化为 [15, 25, 35, 45, 55, 65]，就是在原来的元素后面添加5
把元素由整数转为字符串
添加元素5
转为数字
[int(str(v) + '5') for v in [1, 2, 3, 4, 5, 6]]
l = [1, 2, 3, 4, 5, 6]print([int(str(i) + '5') for i in l])
