python如何将列表中的学号:成绩的学号和成绩分别输出

['21228:69','21229:80']在python中怎么将69和80放在一起

lst = ['21228:69','21229:80']
for i in lst:
    print('学号：{},成绩：{}'.format(i.split(':')[0],i.split(':')[1]))