Python学习_055.选择结构的嵌套
score = int (input(“请输入一个分数:”))
grade = “”
if score>100 or score<0:
print(“输入错误!请重新输入0-100之间的分数”)
else:
if score>=90:
grade = “A” #写成print(“A”)也可以
elif score>=80:
grade = “B” #print(“B”)
elif score>=70:
grade = “C” #print(“C”)
elif score>=60:
grade = “D” #print(“D”)
else:
grade = “E” #print(“E”)
print(“分数{0},等级为{1}”.format(score,grade))
//-----------------------测试结果----------------------
//------------另外一种写法-----------------
//--------------测试结果----------------