# @Author    : 望天宇八方清似玉
# @CreateTime: 2019/4/22 17:50
# @File      : Temp.py
# @Software  : PyCharm
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("转换后的温度是:{:.2f}F".format(F))
else:print("你输入的格式有误")