python攝氏度華氏度轉換代碼

Temp = input("請輸入帶有符號的溫度值: ")
if Temp[-1] in ['F', 'f']:
    C = (eval(Temp[0:-1]) - 32)/1.8
    print("轉換後的溫度是{:.2f}C".format(C))
elif Temp[-1] in ['C', 'c']:
    F = 1.8*eval(Temp[0:-1]) + 32
    print("轉換後的溫度是{:.2f}F".format(F))
else:
    print("輸入格式錯誤")