score=int(input("점수 몇 점?"))
if score >= 90:
print(" A " , end=" ")
elif score >= 80:
print(" B " , end=" ")
elif score >= 70:
print(" B " , end=" ")
elif score >= 60:
print(" B " , end=" ")
else:
print("F")
print("학점입니다.")
while True:
score=int(input("점수 몇 점?"))
if score<0 or score>100:
continue
if score >= 90:
print(" A " , end=" ")
elif score >= 80:
print(" B " , end=" ")
elif score >= 70:
print(" B " , end=" ")
elif score >= 60:
print(" B " , end=" ")
else:
print("F")
print("학점입니다.")
while True:
try:
score=int(input("점수 몇 점?"))
if score<0 or score>100:
continue
if score >= 90:
print(" A " , end=" ")
elif score >= 80:
print(" B " , end=" ")
elif score >= 70:
print(" B " , end=" ")
elif score >= 60:
print(" B " , end=" ")
else:
print("F")
print("학점입니다.")
except ValueError:
print("숫자 입력해 줘 ")
continue