题解 | 学生基本信息输入输出
from decimal import Decimal, ROUND_HALF_UP
n, score = input().split(";")
s = score.split(",")
def round_correct(num):
return Decimal(str(num)).quantize(Decimal("0.01"), rounding=ROUND_HALF_UP)
print(
f"The each subject score of No. {n} is {round_correct(s[0])}, {round_correct(s[1])}, {round_correct(s[2])}."
)
使用 decimal 模块中的 Decimal 类，可以更精确地控制四舍五入行为
