[파이썬] 문제 : tkinter 섭씨/화씨 변환기

from tkinter import *

def f_convert():
    try:
        temp = int(entry.get())
    except:
        result.config(text="다시 입력하세요")
    else:  
        result.config(text=str(int(9/5*temp+32))+"F")

win = Tk()
win.title("온도 변환기")
win.geometry("240x100")

label = Label(win, text="섭씨온도를 입력하세요")
entry = Entry(win)
button = Button(win, text="변환", command=f_convert)
result = Label(win, text=" ", fg="red")

label.pack()
entry.pack()
button.pack()
result.pack()

win.mainloop()