Python簡單的Gui文本編輯器

from tkinter import *
from tkinter.scrolledtext import ScrolledText

def load():
    with open(filename.get()) as f:
        contents.delete('1.0', END)
        contents.insert(INSERT, f.read())
        
def save():
    with open(filename.get(), 'w') as f:
        f.write(contents.get('1.0', END))
        
top = Tk()
top.title("simple Edit")
contents = ScrolledText()
contents.pack(side=BOTTOM, expand=True, fill=BOTH)
filename = Entry()
filename.pack(side=LEFT, expand=True, fill=X)
Button(text="open", command=load).pack(side=LEFT)
Button(text="save", command=save).pack(side=LEFT)

mainloop()