擅长:python、mysql、java
<h2>学生=[{'first_name':'','last_name':'','assignments':[]},{},{}…]
结果=[student.get(列表(student.keys())[-1]),用于学生中的学生]</h2>
<p>[('assignment1',97),('assignment2',85),('assignment2',85)],[('assignment1',97),('assignment2',85),('assignment2',85)],[],[…]</p>