[파이썬] 문제 : tkinter 마일->킬로미터 변환

import tkinter as tk

def convert_miles_to_km():
    miles = float(miles_entry.get())
    km = miles * 1.60934
    km_var.set(f"{km:.2f} km")

window = tk.Tk()
window.title("마일 -> 킬로미터 변환")
window.geometry("300x150")

miles_label = tk.Label(window, text="마일:")
miles_label.place(x=50, y=30)

miles_entry = tk.Entry(window, width=12)
miles_entry.place(x=150, y=35)

km_label = tk.Label(window, text="킬로미터:")
km_label.place(x=50, y=80)

km_var = tk.StringVar()
km_entry = tk.Entry(window, width=12, textvariable=km_var)
km_entry.place(x=150, y=80)

convert_button = tk.Button(window, text="변환", command=convert_miles_to_km)
convert_button.place(x=120, y=120)

window.mainloop()