#百分制成绩转换五分制(循环)
flag=1
while flag:
grade=eval(input())
try:
if 100>=grade>=90:
print('A')
elif 90>grade>=80:
print('B')
elif 80>grade>=70:
print('C')
elif 70>grade>=60:
print('D')
elif 60>grade>=0:
print('E')
elif grade<0:
print('end')
flag=0
else:
print('data error!')
except:
print('data error!')
python——百分制成绩转五分制(循环)
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转载自blog.csdn.net/Otis_98/article/details/105184137
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