课程:python for everybody
位置:第三章课后习题第三题
题目:
代码:
sc=input("enter score please:")
try:
sc=float(sc)
if sc<=0 or sc>=1:
print("bad sc")
elif sc>= 0.9:
print("A")
elif sc>= 0.8:
print("B")
elif sc>= 0.7:
print("C")
elif sc>= 0.6:
print("D")
elif 0<=sc<0.6:
print("F")
except:
print("bad sc")