how to add a image in tkinter

from tkinter import *
root=Tk()
img=PhotoImage(file='sunshine.jpg')
Label(root,image=img).pack()
root.mainloop()

from tkinter import *
from PIL import ImageTk, Image

root = Tk()

c = Canvas(root, width=500, height=500)
c.pack()

img = ImageTk.PhotoImage(Image.open(r"imagepath\imagename.extension"))
c.create_image(x, y, image=img, anchor=NW)

from tkinter import *      
root = Tk()      
canvas = Canvas(root, width = 300, height = 300)      
canvas.pack()      
img = PhotoImage(file="ball.ppm")      
canvas.create_image(20,20, anchor=NW, image=img)      
mainloop() 

pip install pillow