f = tkinter.Frame(width=380, height=270, bg=‘white‘).pack()

f = tkinter.LabelFrame(width=180, height=130,text=‘第一组‘).pack()

import tkinter
import tkinter.messagebox
def but():
    tkinter.Toplevel()
root=tkinter.Tk()
root.title(‘GUI‘)#标题
root.geometry(‘800x600‘)#窗体大小
root.resizable(False, False)#固定窗体
f = tkinter.Button(root,text=‘子窗体‘,command=but).pack()
root.mainloop()