红兰实验 405 温暖

温暖

elec = input('请输入用电量')
elec = float(elec)
if (elec <= 100):
    money = (elec * 0.5)
elif (elec <= 200):
    money = (50 + (elec - 100) * 1)
else:
    money = (150 + (elec - 200) * 2)
resulf = (('这个月的电费' + str(money)) + '元')
print(resulf)