学生类按成绩评定等级并输出
题目说明

class stu:
def __init__(self,name,chinese,english,math):
self.name=name
self.c= chinese
self.e= english
①
lis=[self.c,self.e,self.m]
self.lis=lis
def level(self):
for i in range(3):
if ② :
self.lis[i]='A'
elif self.lis[i]>80:
self.lis[i]='B'
elif self.lis[i]>60:
self.lis[i]='C'
else:
self.lis[i]='D'
return self.lis
def show(self):
print(f'姓名:{self.name},等级:{ ③ }')
class lesson:
def __init__(self, name, students=[]):
self.students = students
self.class_name = name
def show_student(self):
for stu in self.students:
④
students = [ stu('jack',90,80,90),
stu('candy',95,88,69),
stu('cindy',66,76,39),
stu('frank',61,87,44),
stu('tony',20,65,49)]
class1 = lesson("高一(1)班",students)
⑤
评分标准
(1)self.m = math;(2分) (2)self.lis[i] >=90;(2分) (3)self.level();(2分) (4)stu.show();(2分) (5)class1.show_student()。(2分)
本题为编程题,提交代码并运行通过测试点后判分。
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