• 2022-06-16
    阅读下面代码: if a>=60: grade='D' elif a>=70: grade='C' elif a>=80: grade='B' elif a>=90: grade='A' else: grade='E' 若a的值分别为81和53,则对应的grade分别为多少?
    A: B,E
    B: C,E
    C: D,D
    D: D,E
  • 举一反三