这个代码为什么运行不出来呢

from tkinter import *

win = Tk()
frame1 = Frame(win, reLief=RAISED, borderwidth=2)
frame1. pack(side=TOP, fill=BOTH, ipadx=13, ipady=13, expand=0)
Button(frame1, text="Button 1"). pack(side=LEFT, padx=13, pady=13)
Button(frame1, text="Button 2"). pack(side=LEFT, padx=13, pady=13)
Button(frame1, text="Button 3"). pack(side=LEFT, padx=13, pady=13)
#
frame2 = Frame(win, relef=RAISED, borderwidth=2)
frame2. pack(side=BOTTOM, fill=NONE, ipadx="1c", ipady="lc", expand=1)
Button(frame2, text="Button 4"). pack(side=RIGHT, padx="1c", pady=0)
Button(frame2, text="Button 5"). pack(side=RIGHT, padx="1c", pady=0)
Button(frame2, text="Button 6"). pack(side=RIGHT, padx="1c", pady=0)
#
frame3 = Frame(win, relief=RAISED, borderwidth=2)
frame3. pack(side=LEFT, fill=Y, ipadx="0.li", ipady="0.1i", expand=1)
Button(frame3, text="Button 7"). pack(side=TOP, padx="0.1i", pady="0.1i")
Button(frame3, text="Button 8"). pack(side=TOP, padx="0.1i", pady="0.1i")
Button(frame3, text="Button 9"). pack(side=TOP, padx="0.1i", pady="0.1i")
#
frame4 = Frame(frame3, relief=RAISED, borderwidth=2)
frame4. pack(side=RIGHT, fill=Y, ipadx="13p", ipady="13p", expand=1)
Button(frame4, text="Button 13") .pack(side=BOTTOM, padx="13p", pady="13p")
Button(frame4, text="Button 11") .pack(side=BOTTOM, padx="13p", pady="13p")
Button(frame4, text="Button 12") .pack(side=BOTTOM, padx="13p", pady="13p")
win.mainloop()

就不能格式化发出来吗

是报错了,还是运行完毕,什么效果都没有