以下代码段，试判断假设输入分数为75时，给出的分数等级为：score = eval(input("请输入你的成绩："))if score >= 60: grade = "D"elif score >= 70: grade = "C" elif score >= 80: grade = "B"elif score >= 90: grade = "A"print("输入成绩属于级别{}".format(grade))