new_contents: # View more python learning tutorial on my Youtube and Youku channel!!!
  
  # Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg
  # Youku video tutorial: http://i.youku.com/pythontutorial
  
  import tkinter as tk
  
  window = tk.Tk()
  window.title('my window')
  window.geometry('200x200')
  tk.Label(window, text='on the window').pack()
  
  frm = tk.Frame(window)
  frm.pack()
  frm_l = tk.Frame(frm, )
  frm_r = tk.Frame(frm)
  frm_l.pack(side='left')
  frm_r.pack(side='right')
  
  tk.Label(frm_l, text='on the frm_l1').pack()
  tk.Label(frm_l, text='on the frm_l2').pack()
  tk.Label(frm_r, text='on the frm_r1').pack()
  window.mainloop()
  
  
  
  
  
  
  
  
  
  
subject: create tk10