求大佬帮忙看下为啥我这个运行不出来？万分感谢

Question

T=input()
if T[-1] in ['F','f']:
    T=eval(T[0:-1])
    print("{:.2f}F".format(( T * 1.8 + 32))
elif T[-1] in ['C','c']:
    T=eval(T[0:-1])
    print("{:.2f}C".format( (( T- 32 ) / 1.8)))
else:
    print("输入格式错误")

Answer 1

>>> T=input()
350F
>>> if T[-1] in ['F','f']:
...     temp=eval(T[0:-1])
...     print("{:.2f}C".format( (( temp- 32 ) / 1.8)))
... elif T[-1] in ['C','c']:
...     temp=eval(T[0:-1])
...     print("{:.2f}F".format(( temp * 1.8 + 32)))
... else:
...     print("输入格式错误")
...
176.67C
>>>