python练习题011：怎样实现学生成绩排序
#怎样实现学生成绩排序 #学生成绩数据格式：复杂列表，元素是字典或者元祖
students = [
{"sno":101 , "sname": "小张", "sgrade":88},
{"sno":102 , "sname": "小王", "sgrade":99},
{"sno":103 , "sname": "小李", "sgrade":77},
{"sno":104 , "sname": "小赵", "sgrade":66},
]
students_sort = sorted(students,key = lambda x :x ["sgrade"],reverse = True)
print(f"source {students}, sort result: {students_sort}")