#e1.1TempConvert.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("转换好的温度是{:.2f}C".format(C))
elif TempStr[-1] in ['C','C']:
    F = 1.8*eval(TempStr[0:-1]) + 32
    print("转换好的温度是{:.2f}F".format(F))
else:
    print("输入格式错误")