Python 代码实现成绩等级划分 (A, B, C, D, E)

score = float(input("请输入成绩: "))\n\nif score >= 90:\n grade = 'A'\nelif score >= 80:\n grade = 'B'\nelif score >= 70:\n grade = 'C'\nelif score >= 60:\n grade = 'D'\nelse:\n grade = 'E'\n\nprint("成绩等级为:", grade)