左右模式控件
from tkinter import *
win = Tk()
#side=LEFT,expand=YES,fill=Y
win.geometry('600x600')
f_1 = Frame(master=win,bg='lightgray')
f_1.pack(fill=X)
# Label(master=f_1,text='a',bg='gray').pack(side=TOP)
# Label(master=f_1,text='b',bg='red').pack(side=BOTTOM)
Label(master=f_1,text='c',bg='yellow').pack(side=RIGHT)
Button(master=f_1,text='d',bg='green').pack(side=LEFT)
win.mainloop()
效果：
image.png
