代码：
from tkinter import *
window = Tk()
window.geometry('400x300+500+150')
window.title('xxx系统')
Canvas(window,height=60).pack()
frame = Frame(window)
frame.pack()
Label(frame,text='账号：').grid(row=0,column=0)
Label(frame,text='密码：').grid(row=1,column=0)
name = Entry(frame)
passwd = Entry(frame)
name.grid(row=0,column=1)
passwd.grid(row=1,column=1)
Button(frame,text='注册',bg='orange').grid(row=3,column=1,sticky=W,ipadx=15,padx=5)
Button(frame,text='登录',bg='red').grid(row=3,column=1,sticky=E,ipadx=15,pady=5)
window.mainloop()
效果：
