tkinter not showing image code example

Example 1: python tkinter image

import tkinter as tk
from PIL import Image, ImageTk

root = tk.Tk()
img = Image.open("path\\to\\imgage.jpg")
img = img.resize((250, 250))
tkimage = ImageTk.PhotoImage(img)
tk.Label(root, image=tkimage).grid()

Example 2: tkinter image

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)