浙大版《Python 程序设计》题目集 第2章-10 输出华氏-摄氏温度转换表 (15分)

lower,upper = map(int,input().split())
func = lambda f: 5 * (f-32)/9
if lower > upper or upper>100:
    print('Invalid.')
else:
    print("fahr celsius")
    while lower <= upper:
        fahr = lower
        celsius = func(fahr)
        print('{:d}{:>6.1f}'.format(fahr,celsius))
        lower += 2