How to use ttk Sizegrip widget in Python Tkinter?

 

from tkinter import *
from tkinter import ttk
from PIL import Image, ImageFilter


class learn():
    def __init__(self, root):
        self.root=root
        self.root.title("Hancie e-Learning Studio")
        self.root.geometry("500x400")

        frame = Frame(self.root)

        label = Label(self.root, text="Hello World")
        label.pack(padx=5, pady=5)

        sizegrip = ttk.Sizegrip(frame)
        sizegrip.pack(expand=True, fill=BOTH, anchor=SE)

        frame.pack(padx=10, pady=10, expand=True, fill=BOTH)



if __name__=='__main__':
    root=Tk()
    learn(root)
    root.mainloop()

Output