Python tkinter using the-grid (GRID) layout manager

1 #writing a login window using Tkinter2 #The grid layout manager places the control in a two-dimensional table, and the main control is split into a series of rows and columns3 #Stricky Set the alignment, the parameter n/s/w/e the top, bottom, left, and right respectively.4 #ColumnSpan: Specifies that the control spans multiple columns of display5 #rowspan: Specifies that the control spans multiple lines of display6 #PADX, Pady set the horizontal and vertical interval sizes respectively7 8 ImportTkinter as TK9 TenRoot =tk. Tk () OneRoot.title ("Please login") A  -  - defReg (): the     " "Login Check" " -Username =E_user.get () -passwd =E_pwd.get () -Len_user =len (username) +Len_pwd =Len (passwd) -     ifUsername = ='Admin'  andpasswd = ='123': +l_msg['text'] ='Login Successful! ' Al_msg['FG'] ='Green' at     Else: -L_msg.configure (text='Login failed! ', fg='Red') -     #e_user.delete (0, Len_user) # Empty the input box - e_pwd.delete (0, Len_pwd) -  -  in #sign-in results tips -L_msg = Tk. Label (Root, text="') toL_msg.grid (row=0, columnspan=2)#show across two columns +  - #First line user name input box theL_user = Tk. Label (Root, text='User name:') *L_user.grid (Row=1, sticky=tk. W) $E_user =tk. Entry (Root)Panax NotoginsengE_user.grid (Row=1, Column=1, STICKY=TK. E, padx=3) -  the #Second line password input box +L_pwd = Tk. Label (Root, text='Password:') AL_pwd.grid (row=2, sticky=tk. E) theE_pwd =tk. Entry (Root) +e_pwd['Show'] ='*'  #Hide Display -E_pwd.grid (row=2, Column=1, STICKY=TK. E, padx=3) $  $ #Third Line Login button -F_BTN =tk. Frame (Root) -B_login = Tk. Button (F_BTN, text='Login', Width=6, command=reg) theB_login.grid (row=0, column=0) -B_cancel = Tk. Button (F_BTN, text='Cancel', Width=6, command=root.quit)WuyiB_cancel.grid (row=0, Column=1) theF_btn.grid (row=3, columnspan=2, pady=10) -  Wu Root.mainloop () -  About #Original button Layout $ #B_login = tk. Button (root, text= ' login ', Command=reg) - #B_login.grid (row=3, Column=1, STICKY=TK. W, pady=10) - #b_cancel = tk. Button (Root, text= ' Cancel ', command=root.quit) - #B_cancel.grid (row=3, column=1)

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Python tkinter using the-grid (GRID) layout manager