For display or attached the widget to the window screen, we have a three way in tkinter:
1. pack()
2. grid()
3. place()
from tkinter import *
#create a window screen
win=Tk()
win.geometry("400x350")
l=Label(win,text="Text 1",fg="white",bg="blue",bd=20)
l.grid(row=0,column=0)
l=Label(win,text="Text 2",fg="white",bg="green",bd=20)
l.grid(row=1,column=1)
l=Label(win,text="Text 3",fg="white",bg="red",bd=20)
l.grid(row=2,column=2)
l=Label(win,text="Text 4",fg="white",bg="black",bd=20)
l.grid(row=3,column=3)
#hold the screen
win.mainloop()