#TempConvert.py
TempStr = input("请输入带有符号的温度值: ")


if TempStr[-1] in ['F', 'f']:
    C = (eval(TempStr[0:-1]) - 32)/1.8
    print("转换后的温度是{:.2f}C".format(C))
elif TempStr[-1] in ['C', 'c']:
    F = 1.8*eval(TempStr[0:-1]) + 32
    print("你输入的温度为：{}".format(TempStr),"转换后的温度是{:.2f}F".format(F))
else:
    print("输入格式错误")