复习:
第一周:
第二周:
第三周:
今日学习内容:
要掌握:
- 程序的分支结构
#多分支结构
score = eval(input())
if 60 <= score <= 70:
grade = "D"
elif 70 <= score <= 80:
grade ="C"
elif 80<= score <= 90:
grade ="B"
elif score >90:
grade ="A"
print("输入成绩属于级别:{}".format(grade))